Finding the Fourth Proportional to 627, 864.97 and 402.99
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Solution
The fourth proportional to 627, 864.97 and 402.99 is: 555.94
Step by Step Solution
- Step 1: Write the proportion equation
627 : 864.97 = 402.99 : x - Step 2: Convert to fraction form
627/864.97 = 402.99/x - Step 3: Cross multiply
627x = 864.97 × 402.99 - Step 4: Simplify right side
627x = 348,574.26 - Step 5: Solve for x
x = 348,574.26/627 - Step 6: Final answer
x = 555.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.