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Finding the Fourth Proportional to 273.44, 377.12 and 224.21

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Solution

The fourth proportional to 273.44, 377.12 and 224.21 is: 309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.44 : 377.12 = 224.21 : x
  2. Step 2: Convert to fraction form
    273.44/377.12 = 224.21/x
  3. Step 3: Cross multiply
    273.44x = 377.12 × 224.21
  4. Step 4: Simplify right side
    273.44x = 84,552.75
  5. Step 5: Solve for x
    x = 84,552.75/273.44
  6. Step 6: Final answer
    x = 309.22

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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.