What are the use of Fibonacci numbers or the Golden Ratio in

What are the use of Fibonacci numbers or the Golden Ratio in nature, art, music, architecture, or some other real world application?

Solution

In the nature we can find some examples like:
- The arrangement of petals of flowers
- The distribution of leaves on a stem
Some structures are designe by this number, for example The Parthenon

In the music Bela Bartok (1881-1945), who have used such succession as a yardstick to determine certain elements of his compositions

We can find many examples, because applications are diverse and varied