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Finding the Fourth Proportional to 410.34, 566.27 and 223.85

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Solution

The fourth proportional to 410.34, 566.27 and 223.85 is: 308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.34 : 566.27 = 223.85 : x
  2. Step 2: Convert to fraction form
    410.34/566.27 = 223.85/x
  3. Step 3: Cross multiply
    410.34x = 566.27 × 223.85
  4. Step 4: Simplify right side
    410.34x = 126,755.59
  5. Step 5: Solve for x
    x = 126,755.59/410.34
  6. Step 6: Final answer
    x = 308.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.