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Finding the Fourth Proportional to 732.70, 1,098.44 and 293.68

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Solution

The fourth proportional to 732.70, 1,098.44 and 293.68 is: 440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.70 : 1,098.44 = 293.68 : x
  2. Step 2: Convert to fraction form
    732.70/1,098.44 = 293.68/x
  3. Step 3: Cross multiply
    732.70x = 1,098.44 × 293.68
  4. Step 4: Simplify right side
    732.70x = 322,585.64
  5. Step 5: Solve for x
    x = 322,585.64/732.70
  6. Step 6: Final answer
    x = 440.27

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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.