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Finding the Fourth Proportional to 733.44, 1,100.16 and 220.56

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Solution

The fourth proportional to 733.44, 1,100.16 and 220.56 is: 330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.44 : 1,100.16 = 220.56 : x
  2. Step 2: Convert to fraction form
    733.44/1,100.16 = 220.56/x
  3. Step 3: Cross multiply
    733.44x = 1,100.16 × 220.56
  4. Step 4: Simplify right side
    733.44x = 242,651.29
  5. Step 5: Solve for x
    x = 242,651.29/733.44
  6. Step 6: Final answer
    x = 330.84

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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.