Finding the Fourth Proportional to 455.13, 627.99 and 258.60
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Solution
The fourth proportional to 455.13, 627.99 and 258.60 is: 356.82
Step by Step Solution
- Step 1: Write the proportion equation
455.13 : 627.99 = 258.60 : x - Step 2: Convert to fraction form
455.13/627.99 = 258.60/x - Step 3: Cross multiply
455.13x = 627.99 × 258.60 - Step 4: Simplify right side
455.13x = 162,398.21 - Step 5: Solve for x
x = 162,398.21/455.13 - Step 6: Final answer
x = 356.82
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