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Finding the Fourth Proportional to 237.44, 326.89 and 230.69

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Solution

The fourth proportional to 237.44, 326.89 and 230.69 is: 317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.44 : 326.89 = 230.69 : x
  2. Step 2: Convert to fraction form
    237.44/326.89 = 230.69/x
  3. Step 3: Cross multiply
    237.44x = 326.89 × 230.69
  4. Step 4: Simplify right side
    237.44x = 75,410.25
  5. Step 5: Solve for x
    x = 75,410.25/237.44
  6. Step 6: Final answer
    x = 317.60

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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.