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Finding the Fourth Proportional to 148.44, 222.66 and 102.69

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Solution

The fourth proportional to 148.44, 222.66 and 102.69 is: 154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.44 : 222.66 = 102.69 : x
  2. Step 2: Convert to fraction form
    148.44/222.66 = 102.69/x
  3. Step 3: Cross multiply
    148.44x = 222.66 × 102.69
  4. Step 4: Simplify right side
    148.44x = 22,864.96
  5. Step 5: Solve for x
    x = 22,864.96/148.44
  6. Step 6: Final answer
    x = 154.04

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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.