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Finding the Third Proportional to 150.19 and 219.84

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Solution

The third proportional to 150.19 and 219.84 is: 321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.19 : 219.84 = 219.84 : x
  2. Step 2: Convert to fraction form
    150.19/219.84 = 219.84/x
  3. Step 3: Cross multiply
    150.19x = 219.84 × 219.84
  4. Step 4: Simplify right side
    150.19x = 48,331.27
  5. Step 5: Solve for x
    x = 48,331.27/150.19
  6. Step 6: Final answer
    x = 321.81

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.