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Finding the Fourth Proportional to 234.81, 352.08 and 196.53

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Solution

The fourth proportional to 234.81, 352.08 and 196.53 is: 294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.81 : 352.08 = 196.53 : x
  2. Step 2: Convert to fraction form
    234.81/352.08 = 196.53/x
  3. Step 3: Cross multiply
    234.81x = 352.08 × 196.53
  4. Step 4: Simplify right side
    234.81x = 69,194.28
  5. Step 5: Solve for x
    x = 69,194.28/234.81
  6. Step 6: Final answer
    x = 294.68

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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.