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Finding the Fourth Proportional to 235.70, 327.50 and 233.16

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Solution

The fourth proportional to 235.70, 327.50 and 233.16 is: 323.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.70 : 327.50 = 233.16 : x
  2. Step 2: Convert to fraction form
    235.70/327.50 = 233.16/x
  3. Step 3: Cross multiply
    235.70x = 327.50 × 233.16
  4. Step 4: Simplify right side
    235.70x = 76,358.73
  5. Step 5: Solve for x
    x = 76,358.73/235.70
  6. Step 6: Final answer
    x = 323.97

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.