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Finding the Fourth Proportional to 238.16, 357.33 and 116.49

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Solution

The fourth proportional to 238.16, 357.33 and 116.49 is: 174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.16 : 357.33 = 116.49 : x
  2. Step 2: Convert to fraction form
    238.16/357.33 = 116.49/x
  3. Step 3: Cross multiply
    238.16x = 357.33 × 116.49
  4. Step 4: Simplify right side
    238.16x = 41,625.37
  5. Step 5: Solve for x
    x = 41,625.37/238.16
  6. Step 6: Final answer
    x = 174.78

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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.