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Finding the Fourth Proportional to 331.27, 496.45 and 296.36

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Solution

The fourth proportional to 331.27, 496.45 and 296.36 is: 444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.27 : 496.45 = 296.36 : x
  2. Step 2: Convert to fraction form
    331.27/496.45 = 296.36/x
  3. Step 3: Cross multiply
    331.27x = 496.45 × 296.36
  4. Step 4: Simplify right side
    331.27x = 147,126.70
  5. Step 5: Solve for x
    x = 147,126.70/331.27
  6. Step 6: Final answer
    x = 444.12

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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.