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Finding the Fourth Proportional to 273.25, 377.13 and 162.79

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Solution

The fourth proportional to 273.25, 377.13 and 162.79 is: 224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.25 : 377.13 = 162.79 : x
  2. Step 2: Convert to fraction form
    273.25/377.13 = 162.79/x
  3. Step 3: Cross multiply
    273.25x = 377.13 × 162.79
  4. Step 4: Simplify right side
    273.25x = 61,392.99
  5. Step 5: Solve for x
    x = 61,392.99/273.25
  6. Step 6: Final answer
    x = 224.68

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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.