# The golden mean

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The Golden Ratio ~ There is one thing that ancient Greeks, Renaissance artists, a 17th century astronomer and 21st century architects all have in common .. they all used the Golden Mean, otherwise known as the Golden Ratio, Divine Proportion, or Golden Section. Precisely, this is the number 1.61803399, represented by the Greek letter Phi, and truly unique in its mathematical properties, its prevalence throughout nature, and its ability to achieve a perfect aesthetic composition.

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Hokusai Meets Fibonacci, Golden Ratio by Ars Brevis

Sacred Geometry 101F (Part 1): The Golden Mean

The Golden Section 11 x 14 Art Print Mathematics by GeographicsArt

Subdivisions of the square according to the golden mean

using-the-golden-mean-to-install-a-chair-rail copy

In Leonardo Da Vinci's "Madonna of the Rocks" a Golden Pyramid frames the composition of the figures.

The Fibonacci Sequence. 0, 1, 1, 2, 3, 5, 8, 13, 21, 34,...the next number is found by adding up the two numbers before it.

Golden Section and Rule of Thirds (Golden Mean, Golden Ratio, Golden Spiral, Golden Proportion, Golden Triangles).