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Finding the Fourth Proportional to 271.52, 375.12 and 267.68

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Solution

The fourth proportional to 271.52, 375.12 and 267.68 is: 369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.52 : 375.12 = 267.68 : x
  2. Step 2: Convert to fraction form
    271.52/375.12 = 267.68/x
  3. Step 3: Cross multiply
    271.52x = 375.12 × 267.68
  4. Step 4: Simplify right side
    271.52x = 100,412.12
  5. Step 5: Solve for x
    x = 100,412.12/271.52
  6. Step 6: Final answer
    x = 369.81

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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.