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Finding the Fourth Proportional to 564.52, 844.82 and 411.43

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Solution

The fourth proportional to 564.52, 844.82 and 411.43 is: 615.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.52 : 844.82 = 411.43 : x
  2. Step 2: Convert to fraction form
    564.52/844.82 = 411.43/x
  3. Step 3: Cross multiply
    564.52x = 844.82 × 411.43
  4. Step 4: Simplify right side
    564.52x = 347,580.07
  5. Step 5: Solve for x
    x = 347,580.07/564.52
  6. Step 6: Final answer
    x = 615.71

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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.