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Finding the Fourth Proportional to 271.67, 375.60 and 267.74

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Solution

The fourth proportional to 271.67, 375.60 and 267.74 is: 370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.67 : 375.60 = 267.74 : x
  2. Step 2: Convert to fraction form
    271.67/375.60 = 267.74/x
  3. Step 3: Cross multiply
    271.67x = 375.60 × 267.74
  4. Step 4: Simplify right side
    271.67x = 100,563.68
  5. Step 5: Solve for x
    x = 100,563.68/271.67
  6. Step 6: Final answer
    x = 370.17

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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.