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Finding the Third Proportional to 151.50 and 236.88

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Solution

The third proportional to 151.50 and 236.88 is: 370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.50 : 236.88 = 236.88 : x
  2. Step 2: Convert to fraction form
    151.50/236.88 = 236.88/x
  3. Step 3: Cross multiply
    151.50x = 236.88 × 236.88
  4. Step 4: Simplify right side
    151.50x = 56,109.77
  5. Step 5: Solve for x
    x = 56,109.77/151.50
  6. Step 6: Final answer
    x = 370.36

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.