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Finding the Fourth Proportional to 732.56, 1,096.84 and 662.96

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Solution

The fourth proportional to 732.56, 1,096.84 and 662.96 is: 992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.56 : 1,096.84 = 662.96 : x
  2. Step 2: Convert to fraction form
    732.56/1,096.84 = 662.96/x
  3. Step 3: Cross multiply
    732.56x = 1,096.84 × 662.96
  4. Step 4: Simplify right side
    732.56x = 727,161.05
  5. Step 5: Solve for x
    x = 727,161.05/732.56
  6. Step 6: Final answer
    x = 992.63

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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.