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Finding the Fourth Proportional to 371.52, 512.01 and 273.11

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Solution

The fourth proportional to 371.52, 512.01 and 273.11 is: 376.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.52 : 512.01 = 273.11 : x
  2. Step 2: Convert to fraction form
    371.52/512.01 = 273.11/x
  3. Step 3: Cross multiply
    371.52x = 512.01 × 273.11
  4. Step 4: Simplify right side
    371.52x = 139,832.49
  5. Step 5: Solve for x
    x = 139,832.49/371.52
  6. Step 6: Final answer
    x = 376.38

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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.