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Finding the Third Proportional to 134.50 and 238

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Solution

The third proportional to 134.50 and 238 is: 421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.50 : 238 = 238 : x
  2. Step 2: Convert to fraction form
    134.50/238 = 238/x
  3. Step 3: Cross multiply
    134.50x = 238 × 238
  4. Step 4: Simplify right side
    134.50x = 56,644
  5. Step 5: Solve for x
    x = 56,644/134.50
  6. Step 6: Final answer
    x = 421.14

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These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.