What Is the Golden Ratio?
1. The Golden Ratio
The golden ratio is a mathematical observation of a phenomenon that occurs regularly in the natural world. The ratio is a number that is found when you divide a line in two parts. The number is found when the longer part of the line divided by the smaller part equals the length of the whole line. The mathematical symbol for the golden ratio is (phi), which is the 21st letter of the Greek alphabet.
The mathematical formula for the golden ratio is a/b = (a+b)/a = 1.6180339887498948420. It also has other names including, but not limited to, the golden mean, medial section, divine section, golden proportion, and golden section.
