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Finding the Fourth Proportional to 237.16, 327.27 and 225.64

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Solution

The fourth proportional to 237.16, 327.27 and 225.64 is: 311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.16 : 327.27 = 225.64 : x
  2. Step 2: Convert to fraction form
    237.16/327.27 = 225.64/x
  3. Step 3: Cross multiply
    237.16x = 327.27 × 225.64
  4. Step 4: Simplify right side
    237.16x = 73,845.20
  5. Step 5: Solve for x
    x = 73,845.20/237.16
  6. Step 6: Final answer
    x = 311.37

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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.