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Finding the Fourth Proportional to 603.65, 909.33 and 496.73

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Solution

The fourth proportional to 603.65, 909.33 and 496.73 is: 748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.65 : 909.33 = 496.73 : x
  2. Step 2: Convert to fraction form
    603.65/909.33 = 496.73/x
  3. Step 3: Cross multiply
    603.65x = 909.33 × 496.73
  4. Step 4: Simplify right side
    603.65x = 451,691.90
  5. Step 5: Solve for x
    x = 451,691.90/603.65
  6. Step 6: Final answer
    x = 748.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.