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Finding the Fourth Proportional to 367.38, 505.68 and 267.63

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Solution

The fourth proportional to 367.38, 505.68 and 267.63 is: 368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.38 : 505.68 = 267.63 : x
  2. Step 2: Convert to fraction form
    367.38/505.68 = 267.63/x
  3. Step 3: Cross multiply
    367.38x = 505.68 × 267.63
  4. Step 4: Simplify right side
    367.38x = 135,335.14
  5. Step 5: Solve for x
    x = 135,335.14/367.38
  6. Step 6: Final answer
    x = 368.38

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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.