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Finding the Fourth Proportional to 232.84, 349.34 and 187.56

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Solution

The fourth proportional to 232.84, 349.34 and 187.56 is: 281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.84 : 349.34 = 187.56 : x
  2. Step 2: Convert to fraction form
    232.84/349.34 = 187.56/x
  3. Step 3: Cross multiply
    232.84x = 349.34 × 187.56
  4. Step 4: Simplify right side
    232.84x = 65,522.21
  5. Step 5: Solve for x
    x = 65,522.21/232.84
  6. Step 6: Final answer
    x = 281.40

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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.