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Finding the Fourth Proportional to 563.62, 844.17 and 325.87

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Solution

The fourth proportional to 563.62, 844.17 and 325.87 is: 488.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.62 : 844.17 = 325.87 : x
  2. Step 2: Convert to fraction form
    563.62/844.17 = 325.87/x
  3. Step 3: Cross multiply
    563.62x = 844.17 × 325.87
  4. Step 4: Simplify right side
    563.62x = 275,086.75
  5. Step 5: Solve for x
    x = 275,086.75/563.62
  6. Step 6: Final answer
    x = 488.07

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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.