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Finding the Fourth Proportional to 273.28, 377.16 and 236.56

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Solution

The fourth proportional to 273.28, 377.16 and 236.56 is: 326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.28 : 377.16 = 236.56 : x
  2. Step 2: Convert to fraction form
    273.28/377.16 = 236.56/x
  3. Step 3: Cross multiply
    273.28x = 377.16 × 236.56
  4. Step 4: Simplify right side
    273.28x = 89,220.97
  5. Step 5: Solve for x
    x = 89,220.97/273.28
  6. Step 6: Final answer
    x = 326.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.