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Finding the Fourth Proportional to 737.04, 1,016.82 and 422.13

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Solution

The fourth proportional to 737.04, 1,016.82 and 422.13 is: 582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.04 : 1,016.82 = 422.13 : x
  2. Step 2: Convert to fraction form
    737.04/1,016.82 = 422.13/x
  3. Step 3: Cross multiply
    737.04x = 1,016.82 × 422.13
  4. Step 4: Simplify right side
    737.04x = 429,228.12
  5. Step 5: Solve for x
    x = 429,228.12/737.04
  6. Step 6: Final answer
    x = 582.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.