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Finding the Fourth Proportional to 273.33, 377.33 and 236.68

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Solution

The fourth proportional to 273.33, 377.33 and 236.68 is: 326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.33 : 377.33 = 236.68 : x
  2. Step 2: Convert to fraction form
    273.33/377.33 = 236.68/x
  3. Step 3: Cross multiply
    273.33x = 377.33 × 236.68
  4. Step 4: Simplify right side
    273.33x = 89,304.34
  5. Step 5: Solve for x
    x = 89,304.34/273.33
  6. Step 6: Final answer
    x = 326.73

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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.