Convert the equation to its parametric form $($steps required$)$

$[x^{\frac{2}{5}}+(\frac{Y}{2}{)}^{\frac{2}{5}}{]}^{\frac{1}{2}}+(\frac{Z}{4}{)}^{\frac{1}{5}}=1$

What is the name of the shape?

Why there is a need to convert the equation to parametric form?