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Finding the Fourth Proportional to 331.84, 458.18 and 233.73

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Solution

The fourth proportional to 331.84, 458.18 and 233.73 is: 322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.84 : 458.18 = 233.73 : x
  2. Step 2: Convert to fraction form
    331.84/458.18 = 233.73/x
  3. Step 3: Cross multiply
    331.84x = 458.18 × 233.73
  4. Step 4: Simplify right side
    331.84x = 107,091.00
  5. Step 5: Solve for x
    x = 107,091.00/331.84
  6. Step 6: Final answer
    x = 322.72

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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.