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Finding the Fourth Proportional to 226.67, 339.98 and 93.11

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Solution

The fourth proportional to 226.67, 339.98 and 93.11 is: 139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.67 : 339.98 = 93.11 : x
  2. Step 2: Convert to fraction form
    226.67/339.98 = 93.11/x
  3. Step 3: Cross multiply
    226.67x = 339.98 × 93.11
  4. Step 4: Simplify right side
    226.67x = 31,655.07
  5. Step 5: Solve for x
    x = 31,655.07/226.67
  6. Step 6: Final answer
    x = 139.65

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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.