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Finding the Fourth Proportional to 266.44, 367.38 and 196.60

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Solution

The fourth proportional to 266.44, 367.38 and 196.60 is: 271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.44 : 367.38 = 196.60 : x
  2. Step 2: Convert to fraction form
    266.44/367.38 = 196.60/x
  3. Step 3: Cross multiply
    266.44x = 367.38 × 196.60
  4. Step 4: Simplify right side
    266.44x = 72,226.91
  5. Step 5: Solve for x
    x = 72,226.91/266.44
  6. Step 6: Final answer
    x = 271.08

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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.