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Finding the Fourth Proportional to 273.34, 376.79 and 252.82

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Solution

The fourth proportional to 273.34, 376.79 and 252.82 is: 348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.34 : 376.79 = 252.82 : x
  2. Step 2: Convert to fraction form
    273.34/376.79 = 252.82/x
  3. Step 3: Cross multiply
    273.34x = 376.79 × 252.82
  4. Step 4: Simplify right side
    273.34x = 95,259.25
  5. Step 5: Solve for x
    x = 95,259.25/273.34
  6. Step 6: Final answer
    x = 348.50

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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.