Finding the Fourth Proportional to 997.52, 1,495.32 and 484.24
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Solution
The fourth proportional to 997.52, 1,495.32 and 484.24 is: 725.89
Step by Step Solution
- Step 1: Write the proportion equation
997.52 : 1,495.32 = 484.24 : x - Step 2: Convert to fraction form
997.52/1,495.32 = 484.24/x - Step 3: Cross multiply
997.52x = 1,495.32 × 484.24 - Step 4: Simplify right side
997.52x = 724,093.76 - Step 5: Solve for x
x = 724,093.76/997.52 - Step 6: Final answer
x = 725.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.