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Finding the Fourth Proportional to 234.16, 322.58 and 187.52

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Solution

The fourth proportional to 234.16, 322.58 and 187.52 is: 258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.16 : 322.58 = 187.52 : x
  2. Step 2: Convert to fraction form
    234.16/322.58 = 187.52/x
  3. Step 3: Cross multiply
    234.16x = 322.58 × 187.52
  4. Step 4: Simplify right side
    234.16x = 60,489.06
  5. Step 5: Solve for x
    x = 60,489.06/234.16
  6. Step 6: Final answer
    x = 258.33

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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.