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Finding the Fourth Proportional to 238.09, 357.15 and 116.44

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Solution

The fourth proportional to 238.09, 357.15 and 116.44 is: 174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.09 : 357.15 = 116.44 : x
  2. Step 2: Convert to fraction form
    238.09/357.15 = 116.44/x
  3. Step 3: Cross multiply
    238.09x = 357.15 × 116.44
  4. Step 4: Simplify right side
    238.09x = 41,586.55
  5. Step 5: Solve for x
    x = 41,586.55/238.09
  6. Step 6: Final answer
    x = 174.67

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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.