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Finding the Fourth Proportional to 238.26, 357.44 and 101.26

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Solution

The fourth proportional to 238.26, 357.44 and 101.26 is: 151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.26 : 357.44 = 101.26 : x
  2. Step 2: Convert to fraction form
    238.26/357.44 = 101.26/x
  3. Step 3: Cross multiply
    238.26x = 357.44 × 101.26
  4. Step 4: Simplify right side
    238.26x = 36,194.37
  5. Step 5: Solve for x
    x = 36,194.37/238.26
  6. Step 6: Final answer
    x = 151.91

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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.