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Finding the Fourth Proportional to 1,543.27, 2,315.16 and 502.97

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Solution

The fourth proportional to 1,543.27, 2,315.16 and 502.97 is: 754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.27 : 2,315.16 = 502.97 : x
  2. Step 2: Convert to fraction form
    1,543.27/2,315.16 = 502.97/x
  3. Step 3: Cross multiply
    1,543.27x = 2,315.16 × 502.97
  4. Step 4: Simplify right side
    1,543.27x = 1,164,456.03
  5. Step 5: Solve for x
    x = 1,164,456.03/1,543.27
  6. Step 6: Final answer
    x = 754.54

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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.