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Finding the Fourth Proportional to 503.43, 754.46 and 373.92

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Solution

The fourth proportional to 503.43, 754.46 and 373.92 is: 560.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.43 : 754.46 = 373.92 : x
  2. Step 2: Convert to fraction form
    503.43/754.46 = 373.92/x
  3. Step 3: Cross multiply
    503.43x = 754.46 × 373.92
  4. Step 4: Simplify right side
    503.43x = 282,105.97
  5. Step 5: Solve for x
    x = 282,105.97/503.43
  6. Step 6: Final answer
    x = 560.37

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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.