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Finding the Fourth Proportional to 503.13, 754.77 and 472.76

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Solution

The fourth proportional to 503.13, 754.77 and 472.76 is: 709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.13 : 754.77 = 472.76 : x
  2. Step 2: Convert to fraction form
    503.13/754.77 = 472.76/x
  3. Step 3: Cross multiply
    503.13x = 754.77 × 472.76
  4. Step 4: Simplify right side
    503.13x = 356,825.07
  5. Step 5: Solve for x
    x = 356,825.07/503.13
  6. Step 6: Final answer
    x = 709.21

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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.