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Finding the Fourth Proportional to 267.99, 369.68 and 194.22

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Solution

The fourth proportional to 267.99, 369.68 and 194.22 is: 267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.99 : 369.68 = 194.22 : x
  2. Step 2: Convert to fraction form
    267.99/369.68 = 194.22/x
  3. Step 3: Cross multiply
    267.99x = 369.68 × 194.22
  4. Step 4: Simplify right side
    267.99x = 71,798.28
  5. Step 5: Solve for x
    x = 71,798.28/267.99
  6. Step 6: Final answer
    x = 267.91

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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.