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Finding the Third Proportional to 150.19 and 230.34

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Solution

The third proportional to 150.19 and 230.34 is: 353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.19 : 230.34 = 230.34 : x
  2. Step 2: Convert to fraction form
    150.19/230.34 = 230.34/x
  3. Step 3: Cross multiply
    150.19x = 230.34 × 230.34
  4. Step 4: Simplify right side
    150.19x = 53,058.24
  5. Step 5: Solve for x
    x = 53,058.24/150.19
  6. Step 6: Final answer
    x = 353.28

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.