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Finding the Fourth Proportional to 331.11, 496.91 and 232.98

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Solution

The fourth proportional to 331.11, 496.91 and 232.98 is: 349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.11 : 496.91 = 232.98 : x
  2. Step 2: Convert to fraction form
    331.11/496.91 = 232.98/x
  3. Step 3: Cross multiply
    331.11x = 496.91 × 232.98
  4. Step 4: Simplify right side
    331.11x = 115,770.09
  5. Step 5: Solve for x
    x = 115,770.09/331.11
  6. Step 6: Final answer
    x = 349.64

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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.