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Finding the Fourth Proportional to 1,151.52, 1,727.24 and 502.10

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Solution

The fourth proportional to 1,151.52, 1,727.24 and 502.10 is: 753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.52 : 1,727.24 = 502.10 : x
  2. Step 2: Convert to fraction form
    1,151.52/1,727.24 = 502.10/x
  3. Step 3: Cross multiply
    1,151.52x = 1,727.24 × 502.10
  4. Step 4: Simplify right side
    1,151.52x = 867,247.20
  5. Step 5: Solve for x
    x = 867,247.20/1,151.52
  6. Step 6: Final answer
    x = 753.13

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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.