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Finding the Fourth Proportional to 226.32, 339.18 and 118.02

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Solution

The fourth proportional to 226.32, 339.18 and 118.02 is: 176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.32 : 339.18 = 118.02 : x
  2. Step 2: Convert to fraction form
    226.32/339.18 = 118.02/x
  3. Step 3: Cross multiply
    226.32x = 339.18 × 118.02
  4. Step 4: Simplify right side
    226.32x = 40,030.02
  5. Step 5: Solve for x
    x = 40,030.02/226.32
  6. Step 6: Final answer
    x = 176.87

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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.