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Finding the Fourth Proportional to 41.54, 62.31 and 11.11

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Solution

The fourth proportional to 41.54, 62.31 and 11.11 is: 16.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.54 : 62.31 = 11.11 : x
  2. Step 2: Convert to fraction form
    41.54/62.31 = 11.11/x
  3. Step 3: Cross multiply
    41.54x = 62.31 × 11.11
  4. Step 4: Simplify right side
    41.54x = 692.39
  5. Step 5: Solve for x
    x = 692.39/41.54
  6. Step 6: Final answer
    x = 16.67

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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.