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Finding the Fourth Proportional to 737.82, 1,016.96 and 475.38

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Solution

The fourth proportional to 737.82, 1,016.96 and 475.38 is: 655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.82 : 1,016.96 = 475.38 : x
  2. Step 2: Convert to fraction form
    737.82/1,016.96 = 475.38/x
  3. Step 3: Cross multiply
    737.82x = 1,016.96 × 475.38
  4. Step 4: Simplify right side
    737.82x = 483,440.07
  5. Step 5: Solve for x
    x = 483,440.07/737.82
  6. Step 6: Final answer
    x = 655.23

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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.