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Finding the Fourth Proportional to 234.27, 350.94 and 157.02

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Solution

The fourth proportional to 234.27, 350.94 and 157.02 is: 235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.27 : 350.94 = 157.02 : x
  2. Step 2: Convert to fraction form
    234.27/350.94 = 157.02/x
  3. Step 3: Cross multiply
    234.27x = 350.94 × 157.02
  4. Step 4: Simplify right side
    234.27x = 55,104.60
  5. Step 5: Solve for x
    x = 55,104.60/234.27
  6. Step 6: Final answer
    x = 235.22

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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.