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Finding the Fourth Proportional to 273.12, 376.80 and 179.84

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Solution

The fourth proportional to 273.12, 376.80 and 179.84 is: 248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.12 : 376.80 = 179.84 : x
  2. Step 2: Convert to fraction form
    273.12/376.80 = 179.84/x
  3. Step 3: Cross multiply
    273.12x = 376.80 × 179.84
  4. Step 4: Simplify right side
    273.12x = 67,763.71
  5. Step 5: Solve for x
    x = 67,763.71/273.12
  6. Step 6: Final answer
    x = 248.11

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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.