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Finding the Fourth Proportional to 271.32, 375.97 and 267.98

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Solution

The fourth proportional to 271.32, 375.97 and 267.98 is: 371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.32 : 375.97 = 267.98 : x
  2. Step 2: Convert to fraction form
    271.32/375.97 = 267.98/x
  3. Step 3: Cross multiply
    271.32x = 375.97 × 267.98
  4. Step 4: Simplify right side
    271.32x = 100,752.81
  5. Step 5: Solve for x
    x = 100,752.81/271.32
  6. Step 6: Final answer
    x = 371.34

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.