=LOOKUP(6.66,A2:A6,B2:B6) looks up 6.66 in column A, matches the next smallest value, and returns the value from column B that's in the same row : LOOKUP « Lookup Reference functions « Microsoft Office Excel 2007 Tutorial
19. 10. 3. =LOOKUP(6.66,A2:A6,B2:B6) looks up 6.66 in column A, matches the next smallest value, and returns the value from column B that's in the same row
Input the formula: =LOOKUP(6.66,A2:A6,B2:B6). Press Enter to get the result.