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Finding the Fourth Proportional to 238.14, 357 and 116.25

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Solution

The fourth proportional to 238.14, 357 and 116.25 is: 174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.14 : 357 = 116.25 : x
  2. Step 2: Convert to fraction form
    238.14/357 = 116.25/x
  3. Step 3: Cross multiply
    238.14x = 357 × 116.25
  4. Step 4: Simplify right side
    238.14x = 41,501.25
  5. Step 5: Solve for x
    x = 41,501.25/238.14
  6. Step 6: Final answer
    x = 174.27

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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.