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Finding the Fourth Proportional to 334.91, 462.16 and 187.56

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Solution

The fourth proportional to 334.91, 462.16 and 187.56 is: 258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.91 : 462.16 = 187.56 : x
  2. Step 2: Convert to fraction form
    334.91/462.16 = 187.56/x
  3. Step 3: Cross multiply
    334.91x = 462.16 × 187.56
  4. Step 4: Simplify right side
    334.91x = 86,682.73
  5. Step 5: Solve for x
    x = 86,682.73/334.91
  6. Step 6: Final answer
    x = 258.82

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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.