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Finding the Fourth Proportional to 737.31, 1,104.08 and 615.27

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Solution

The fourth proportional to 737.31, 1,104.08 and 615.27 is: 921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.31 : 1,104.08 = 615.27 : x
  2. Step 2: Convert to fraction form
    737.31/1,104.08 = 615.27/x
  3. Step 3: Cross multiply
    737.31x = 1,104.08 × 615.27
  4. Step 4: Simplify right side
    737.31x = 679,304.23
  5. Step 5: Solve for x
    x = 679,304.23/737.31
  6. Step 6: Final answer
    x = 921.33

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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.