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Finding the Fourth Proportional to 226.10, 339.20 and 158.06

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Solution

The fourth proportional to 226.10, 339.20 and 158.06 is: 237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.10 : 339.20 = 158.06 : x
  2. Step 2: Convert to fraction form
    226.10/339.20 = 158.06/x
  3. Step 3: Cross multiply
    226.10x = 339.20 × 158.06
  4. Step 4: Simplify right side
    226.10x = 53,611.47
  5. Step 5: Solve for x
    x = 53,611.47/226.10
  6. Step 6: Final answer
    x = 237.12

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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.