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Finding the Fourth Proportional to 226.03, 339.05 and 55.03

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Solution

The fourth proportional to 226.03, 339.05 and 55.03 is: 82.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.03 : 339.05 = 55.03 : x
  2. Step 2: Convert to fraction form
    226.03/339.05 = 55.03/x
  3. Step 3: Cross multiply
    226.03x = 339.05 × 55.03
  4. Step 4: Simplify right side
    226.03x = 18,658.28
  5. Step 5: Solve for x
    x = 18,658.28/226.03
  6. Step 6: Final answer
    x = 82.55

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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.