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Finding the Fourth Proportional to 267.20, 368.48 and 246.12

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Solution

The fourth proportional to 267.20, 368.48 and 246.12 is: 339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.20 : 368.48 = 246.12 : x
  2. Step 2: Convert to fraction form
    267.20/368.48 = 246.12/x
  3. Step 3: Cross multiply
    267.20x = 368.48 × 246.12
  4. Step 4: Simplify right side
    267.20x = 90,690.30
  5. Step 5: Solve for x
    x = 90,690.30/267.20
  6. Step 6: Final answer
    x = 339.41

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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.