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Finding the Fourth Proportional to 274.13, 375.03 and 272.97

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Solution

The fourth proportional to 274.13, 375.03 and 272.97 is: 373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.13 : 375.03 = 272.97 : x
  2. Step 2: Convert to fraction form
    274.13/375.03 = 272.97/x
  3. Step 3: Cross multiply
    274.13x = 375.03 × 272.97
  4. Step 4: Simplify right side
    274.13x = 102,371.94
  5. Step 5: Solve for x
    x = 102,371.94/274.13
  6. Step 6: Final answer
    x = 373.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.