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Finding the Fourth Proportional to 272.33, 375.67 and 173.92

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Solution

The fourth proportional to 272.33, 375.67 and 173.92 is: 239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.33 : 375.67 = 173.92 : x
  2. Step 2: Convert to fraction form
    272.33/375.67 = 173.92/x
  3. Step 3: Cross multiply
    272.33x = 375.67 × 173.92
  4. Step 4: Simplify right side
    272.33x = 65,336.53
  5. Step 5: Solve for x
    x = 65,336.53/272.33
  6. Step 6: Final answer
    x = 239.92

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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.