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Finding the Fourth Proportional to 267.90, 399.90 and 246.24

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Solution

The fourth proportional to 267.90, 399.90 and 246.24 is: 367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.90 : 399.90 = 246.24 : x
  2. Step 2: Convert to fraction form
    267.90/399.90 = 246.24/x
  3. Step 3: Cross multiply
    267.90x = 399.90 × 246.24
  4. Step 4: Simplify right side
    267.90x = 98,471.38
  5. Step 5: Solve for x
    x = 98,471.38/267.90
  6. Step 6: Final answer
    x = 367.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.