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Finding the Fourth Proportional to 273.09, 379.52 and 270.26

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Solution

The fourth proportional to 273.09, 379.52 and 270.26 is: 375.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.09 : 379.52 = 270.26 : x
  2. Step 2: Convert to fraction form
    273.09/379.52 = 270.26/x
  3. Step 3: Cross multiply
    273.09x = 379.52 × 270.26
  4. Step 4: Simplify right side
    273.09x = 102,569.08
  5. Step 5: Solve for x
    x = 102,569.08/273.09
  6. Step 6: Final answer
    x = 375.59

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.