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Finding the Fourth Proportional to 266.54, 367.99 and 201.33

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Solution

The fourth proportional to 266.54, 367.99 and 201.33 is: 277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.54 : 367.99 = 201.33 : x
  2. Step 2: Convert to fraction form
    266.54/367.99 = 201.33/x
  3. Step 3: Cross multiply
    266.54x = 367.99 × 201.33
  4. Step 4: Simplify right side
    266.54x = 74,086.92
  5. Step 5: Solve for x
    x = 74,086.92/266.54
  6. Step 6: Final answer
    x = 277.96

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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.