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Finding the Fourth Proportional to 584.57, 876.89 and 255.52

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Solution

The fourth proportional to 584.57, 876.89 and 255.52 is: 383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.57 : 876.89 = 255.52 : x
  2. Step 2: Convert to fraction form
    584.57/876.89 = 255.52/x
  3. Step 3: Cross multiply
    584.57x = 876.89 × 255.52
  4. Step 4: Simplify right side
    584.57x = 224,061.38
  5. Step 5: Solve for x
    x = 224,061.38/584.57
  6. Step 6: Final answer
    x = 383.29

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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.