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Finding the Fourth Proportional to 733.88, 1,100.82 and 220.88

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Solution

The fourth proportional to 733.88, 1,100.82 and 220.88 is: 331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.88 : 1,100.82 = 220.88 : x
  2. Step 2: Convert to fraction form
    733.88/1,100.82 = 220.88/x
  3. Step 3: Cross multiply
    733.88x = 1,100.82 × 220.88
  4. Step 4: Simplify right side
    733.88x = 243,143.62
  5. Step 5: Solve for x
    x = 243,143.62/733.88
  6. Step 6: Final answer
    x = 331.31

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Double scale
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Similar ratio
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1.5x scale

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.