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Finding the Fourth Proportional to 501.02, 747.25 and 483.61

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Solution

The fourth proportional to 501.02, 747.25 and 483.61 is: 721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.02 : 747.25 = 483.61 : x
  2. Step 2: Convert to fraction form
    501.02/747.25 = 483.61/x
  3. Step 3: Cross multiply
    501.02x = 747.25 × 483.61
  4. Step 4: Simplify right side
    501.02x = 361,377.57
  5. Step 5: Solve for x
    x = 361,377.57/501.02
  6. Step 6: Final answer
    x = 721.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.