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Finding the Fourth Proportional to 362.33, 499.89 and 231.41

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Solution

The fourth proportional to 362.33, 499.89 and 231.41 is: 319.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.33 : 499.89 = 231.41 : x
  2. Step 2: Convert to fraction form
    362.33/499.89 = 231.41/x
  3. Step 3: Cross multiply
    362.33x = 499.89 × 231.41
  4. Step 4: Simplify right side
    362.33x = 115,679.54
  5. Step 5: Solve for x
    x = 115,679.54/362.33
  6. Step 6: Final answer
    x = 319.27

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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.