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Finding the Fourth Proportional to 272.08, 375.33 and 173.66

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Solution

The fourth proportional to 272.08, 375.33 and 173.66 is: 239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.08 : 375.33 = 173.66 : x
  2. Step 2: Convert to fraction form
    272.08/375.33 = 173.66/x
  3. Step 3: Cross multiply
    272.08x = 375.33 × 173.66
  4. Step 4: Simplify right side
    272.08x = 65,179.81
  5. Step 5: Solve for x
    x = 65,179.81/272.08
  6. Step 6: Final answer
    x = 239.56

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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.