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Finding the Fourth Proportional to 867.53, 1,301.76 and 502.58

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Solution

The fourth proportional to 867.53, 1,301.76 and 502.58 is: 754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    867.53 : 1,301.76 = 502.58 : x
  2. Step 2: Convert to fraction form
    867.53/1,301.76 = 502.58/x
  3. Step 3: Cross multiply
    867.53x = 1,301.76 × 502.58
  4. Step 4: Simplify right side
    867.53x = 654,232.03
  5. Step 5: Solve for x
    x = 654,232.03/867.53
  6. Step 6: Final answer
    x = 754.14

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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.