Position on array

[Silvio.Falconi]

I have 2 array with the same len :

asample:= := {200,300,400,500,600}

atest:= := {silvio,mario,paolo,rosa,valerio}


and I have a function return me only the number I have on first array sample 400
and I wish Know the position of element to have the text on second array sample : Paolo

How I can make ?

[nageswaragunupudi]

atest[ ascan( asample, n ) ]

[Silvio.Falconi]

thanks