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Finding the Fourth Proportional to 236.44, 352.56 and 231.18

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Solution

The fourth proportional to 236.44, 352.56 and 231.18 is: 344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.44 : 352.56 = 231.18 : x
  2. Step 2: Convert to fraction form
    236.44/352.56 = 231.18/x
  3. Step 3: Cross multiply
    236.44x = 352.56 × 231.18
  4. Step 4: Simplify right side
    236.44x = 81,504.82
  5. Step 5: Solve for x
    x = 81,504.82/236.44
  6. Step 6: Final answer
    x = 344.72

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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.