Finding the Fourth Proportional to 732.16, 1,010 and 496.12
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Solution
The fourth proportional to 732.16, 1,010 and 496.12 is: 684.39
Step by Step Solution
- Step 1: Write the proportion equation
732.16 : 1,010 = 496.12 : x - Step 2: Convert to fraction form
732.16/1,010 = 496.12/x - Step 3: Cross multiply
732.16x = 1,010 × 496.12 - Step 4: Simplify right side
732.16x = 501,081.20 - Step 5: Solve for x
x = 501,081.20/732.16 - Step 6: Final answer
x = 684.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.