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Finding the Fourth Proportional to 273.79, 377.10 and 236.95

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Solution

The fourth proportional to 273.79, 377.10 and 236.95 is: 326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.79 : 377.10 = 236.95 : x
  2. Step 2: Convert to fraction form
    273.79/377.10 = 236.95/x
  3. Step 3: Cross multiply
    273.79x = 377.10 × 236.95
  4. Step 4: Simplify right side
    273.79x = 89,353.85
  5. Step 5: Solve for x
    x = 89,353.85/273.79
  6. Step 6: Final answer
    x = 326.36

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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.