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Finding the Fourth Proportional to 372.07, 512.76 and 273.88

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Solution

The fourth proportional to 372.07, 512.76 and 273.88 is: 377.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.07 : 512.76 = 273.88 : x
  2. Step 2: Convert to fraction form
    372.07/512.76 = 273.88/x
  3. Step 3: Cross multiply
    372.07x = 512.76 × 273.88
  4. Step 4: Simplify right side
    372.07x = 140,434.71
  5. Step 5: Solve for x
    x = 140,434.71/372.07
  6. Step 6: Final answer
    x = 377.44

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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.