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Finding the Fourth Proportional to 732.37, 1,099.24 and 385.96

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Solution

The fourth proportional to 732.37, 1,099.24 and 385.96 is: 579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.37 : 1,099.24 = 385.96 : x
  2. Step 2: Convert to fraction form
    732.37/1,099.24 = 385.96/x
  3. Step 3: Cross multiply
    732.37x = 1,099.24 × 385.96
  4. Step 4: Simplify right side
    732.37x = 424,258.96
  5. Step 5: Solve for x
    x = 424,258.96/732.37
  6. Step 6: Final answer
    x = 579.30

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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.