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Finding the Fourth Proportional to 273.76, 375.63 and 271.18

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Solution

The fourth proportional to 273.76, 375.63 and 271.18 is: 372.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.76 : 375.63 = 271.18 : x
  2. Step 2: Convert to fraction form
    273.76/375.63 = 271.18/x
  3. Step 3: Cross multiply
    273.76x = 375.63 × 271.18
  4. Step 4: Simplify right side
    273.76x = 101,862.40
  5. Step 5: Solve for x
    x = 101,862.40/273.76
  6. Step 6: Final answer
    x = 372.09

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.