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Finding the Fourth Proportional to 484.38, 726.84 and 240.93

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Solution

The fourth proportional to 484.38, 726.84 and 240.93 is: 361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.38 : 726.84 = 240.93 : x
  2. Step 2: Convert to fraction form
    484.38/726.84 = 240.93/x
  3. Step 3: Cross multiply
    484.38x = 726.84 × 240.93
  4. Step 4: Simplify right side
    484.38x = 175,117.56
  5. Step 5: Solve for x
    x = 175,117.56/484.38
  6. Step 6: Final answer
    x = 361.53

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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.