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Finding the Fourth Proportional to 483.89, 726.33 and 240.59

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Solution

The fourth proportional to 483.89, 726.33 and 240.59 is: 361.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.89 : 726.33 = 240.59 : x
  2. Step 2: Convert to fraction form
    483.89/726.33 = 240.59/x
  3. Step 3: Cross multiply
    483.89x = 726.33 × 240.59
  4. Step 4: Simplify right side
    483.89x = 174,747.73
  5. Step 5: Solve for x
    x = 174,747.73/483.89
  6. Step 6: Final answer
    x = 361.13

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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.