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Finding the Third Proportional to 238 and 273.25

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Solution

The third proportional to 238 and 273.25 is: 313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238 : 273.25 = 273.25 : x
  2. Step 2: Convert to fraction form
    238/273.25 = 273.25/x
  3. Step 3: Cross multiply
    238x = 273.25 × 273.25
  4. Step 4: Simplify right side
    238x = 74,665.56
  5. Step 5: Solve for x
    x = 74,665.56/238
  6. Step 6: Final answer
    x = 313.72

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These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.