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Finding the Fourth Proportional to 273.85, 377.80 and 180.64

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Solution

The fourth proportional to 273.85, 377.80 and 180.64 is: 249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.85 : 377.80 = 180.64 : x
  2. Step 2: Convert to fraction form
    273.85/377.80 = 180.64/x
  3. Step 3: Cross multiply
    273.85x = 377.80 × 180.64
  4. Step 4: Simplify right side
    273.85x = 68,244.40
  5. Step 5: Solve for x
    x = 68,244.40/273.85
  6. Step 6: Final answer
    x = 249.21

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