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Finding the Fourth Proportional to 496.92, 685.82 and 372.38

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Solution

The fourth proportional to 496.92, 685.82 and 372.38 is: 513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.92 : 685.82 = 372.38 : x
  2. Step 2: Convert to fraction form
    496.92/685.82 = 372.38/x
  3. Step 3: Cross multiply
    496.92x = 685.82 × 372.38
  4. Step 4: Simplify right side
    496.92x = 255,380.36
  5. Step 5: Solve for x
    x = 255,380.36/496.92
  6. Step 6: Final answer
    x = 513.93

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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.