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Finding the Fourth Proportional to 236.96, 352.90 and 232.40

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Solution

The fourth proportional to 236.96, 352.90 and 232.40 is: 346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.96 : 352.90 = 232.40 : x
  2. Step 2: Convert to fraction form
    236.96/352.90 = 232.40/x
  3. Step 3: Cross multiply
    236.96x = 352.90 × 232.40
  4. Step 4: Simplify right side
    236.96x = 82,013.96
  5. Step 5: Solve for x
    x = 82,013.96/236.96
  6. Step 6: Final answer
    x = 346.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.