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Finding the Fourth Proportional to 226, 339 and 97.84

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Solution

The fourth proportional to 226, 339 and 97.84 is: 146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    226 : 339 = 97.84 : x
  2. Step 2: Convert to fraction form
    226/339 = 97.84/x
  3. Step 3: Cross multiply
    226x = 339 × 97.84
  4. Step 4: Simplify right side
    226x = 33,167.76
  5. Step 5: Solve for x
    x = 33,167.76/226
  6. Step 6: Final answer
    x = 146.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.