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Finding the Fourth Proportional to 273.22, 376.50 and 269.81

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Solution

The fourth proportional to 273.22, 376.50 and 269.81 is: 371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.22 : 376.50 = 269.81 : x
  2. Step 2: Convert to fraction form
    273.22/376.50 = 269.81/x
  3. Step 3: Cross multiply
    273.22x = 376.50 × 269.81
  4. Step 4: Simplify right side
    273.22x = 101,583.47
  5. Step 5: Solve for x
    x = 101,583.47/273.22
  6. Step 6: Final answer
    x = 371.80

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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.