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Finding the Fourth Proportional to 273.13, 377.90 and 238.23

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Solution

The fourth proportional to 273.13, 377.90 and 238.23 is: 329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.13 : 377.90 = 238.23 : x
  2. Step 2: Convert to fraction form
    273.13/377.90 = 238.23/x
  3. Step 3: Cross multiply
    273.13x = 377.90 × 238.23
  4. Step 4: Simplify right side
    273.13x = 90,027.12
  5. Step 5: Solve for x
    x = 90,027.12/273.13
  6. Step 6: Final answer
    x = 329.62

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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.