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Finding the Fourth Proportional to 226.09, 338.95 and 97.93

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Solution

The fourth proportional to 226.09, 338.95 and 97.93 is: 146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.09 : 338.95 = 97.93 : x
  2. Step 2: Convert to fraction form
    226.09/338.95 = 97.93/x
  3. Step 3: Cross multiply
    226.09x = 338.95 × 97.93
  4. Step 4: Simplify right side
    226.09x = 33,193.37
  5. Step 5: Solve for x
    x = 33,193.37/226.09
  6. Step 6: Final answer
    x = 146.81

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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.