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Finding the Fourth Proportional to 584.57, 876.06 and 324.68

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Solution

The fourth proportional to 584.57, 876.06 and 324.68 is: 486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.57 : 876.06 = 324.68 : x
  2. Step 2: Convert to fraction form
    584.57/876.06 = 324.68/x
  3. Step 3: Cross multiply
    584.57x = 876.06 × 324.68
  4. Step 4: Simplify right side
    584.57x = 284,434.78
  5. Step 5: Solve for x
    x = 284,434.78/584.57
  6. Step 6: Final answer
    x = 486.58

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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.