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Finding the Fourth Proportional to 238.23, 357.08 and 116.22

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Solution

The fourth proportional to 238.23, 357.08 and 116.22 is: 174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.23 : 357.08 = 116.22 : x
  2. Step 2: Convert to fraction form
    238.23/357.08 = 116.22/x
  3. Step 3: Cross multiply
    238.23x = 357.08 × 116.22
  4. Step 4: Simplify right side
    238.23x = 41,499.26
  5. Step 5: Solve for x
    x = 41,499.26/238.23
  6. Step 6: Final answer
    x = 174.20

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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.