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Finding the Fourth Proportional to 238.83, 358.02 and 116.97

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Solution

The fourth proportional to 238.83, 358.02 and 116.97 is: 175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.83 : 358.02 = 116.97 : x
  2. Step 2: Convert to fraction form
    238.83/358.02 = 116.97/x
  3. Step 3: Cross multiply
    238.83x = 358.02 × 116.97
  4. Step 4: Simplify right side
    238.83x = 41,877.60
  5. Step 5: Solve for x
    x = 41,877.60/238.83
  6. Step 6: Final answer
    x = 175.34

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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.