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Finding the Fourth Proportional to 237.28, 327.28 and 167.48

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Solution

The fourth proportional to 237.28, 327.28 and 167.48 is: 231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.28 : 327.28 = 167.48 : x
  2. Step 2: Convert to fraction form
    237.28/327.28 = 167.48/x
  3. Step 3: Cross multiply
    237.28x = 327.28 × 167.48
  4. Step 4: Simplify right side
    237.28x = 54,812.02
  5. Step 5: Solve for x
    x = 54,812.02/237.28
  6. Step 6: Final answer
    x = 231.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.