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Finding the Fourth Proportional to 584.04, 876.02 and 379.92

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Solution

The fourth proportional to 584.04, 876.02 and 379.92 is: 569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.04 : 876.02 = 379.92 : x
  2. Step 2: Convert to fraction form
    584.04/876.02 = 379.92/x
  3. Step 3: Cross multiply
    584.04x = 876.02 × 379.92
  4. Step 4: Simplify right side
    584.04x = 332,817.52
  5. Step 5: Solve for x
    x = 332,817.52/584.04
  6. Step 6: Final answer
    x = 569.85

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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.