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Finding the Fourth Proportional to 270.54, 375.98 and 267.57

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Solution

The fourth proportional to 270.54, 375.98 and 267.57 is: 371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.54 : 375.98 = 267.57 : x
  2. Step 2: Convert to fraction form
    270.54/375.98 = 267.57/x
  3. Step 3: Cross multiply
    270.54x = 375.98 × 267.57
  4. Step 4: Simplify right side
    270.54x = 100,599.63
  5. Step 5: Solve for x
    x = 100,599.63/270.54
  6. Step 6: Final answer
    x = 371.85

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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.