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Finding the Fourth Proportional to 618.04, 925.84 and 502.61

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Solution

The fourth proportional to 618.04, 925.84 and 502.61 is: 752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.04 : 925.84 = 502.61 : x
  2. Step 2: Convert to fraction form
    618.04/925.84 = 502.61/x
  3. Step 3: Cross multiply
    618.04x = 925.84 × 502.61
  4. Step 4: Simplify right side
    618.04x = 465,333.93
  5. Step 5: Solve for x
    x = 465,333.93/618.04
  6. Step 6: Final answer
    x = 752.92

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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.