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Finding the Fourth Proportional to 236.28, 353.84 and 167.48

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Solution

The fourth proportional to 236.28, 353.84 and 167.48 is: 250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.28 : 353.84 = 167.48 : x
  2. Step 2: Convert to fraction form
    236.28/353.84 = 167.48/x
  3. Step 3: Cross multiply
    236.28x = 353.84 × 167.48
  4. Step 4: Simplify right side
    236.28x = 59,260.26
  5. Step 5: Solve for x
    x = 59,260.26/236.28
  6. Step 6: Final answer
    x = 250.81

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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.