The golden ratio should not need any introduction to those who have studied math and design in school. Some designers apply these mathematical concepts to come up with more visually appealing works. This infographic from companyfolders.com covers a few golden ratio facts:
The Golden Ratio: a designer's guide. The Golden Ratio is a beautifully simple piece of mathematical theory that can help make your designs feel well proportioned and pleasing on the eye. We explain how to use it.
Fibonacci sequence; sacred geometry: MATHEMATICIANS: Fern Hunt, Ph.D., Research Mathematician at the National Institute of Standards and Technology (NIST) Mathematical Modeling Group, gives a brief lesson on the Fibonacci Numbers | Repinned by @divanyoung
This website describes the different between The Golden Section The Golden String and Fibonacci Numbers. These all essentially come together to form the same Golden Ratio but help me understand the breakdown of it all and why its so important.