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Finding the Fourth Proportional to 484.41, 726.69 and 240.95

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Solution

The fourth proportional to 484.41, 726.69 and 240.95 is: 361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.41 : 726.69 = 240.95 : x
  2. Step 2: Convert to fraction form
    484.41/726.69 = 240.95/x
  3. Step 3: Cross multiply
    484.41x = 726.69 × 240.95
  4. Step 4: Simplify right side
    484.41x = 175,095.96
  5. Step 5: Solve for x
    x = 175,095.96/484.41
  6. Step 6: Final answer
    x = 361.46

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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.