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Finding the Fourth Proportional to 613.29, 919.93 and 180.44

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Solution

The fourth proportional to 613.29, 919.93 and 180.44 is: 270.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.29 : 919.93 = 180.44 : x
  2. Step 2: Convert to fraction form
    613.29/919.93 = 180.44/x
  3. Step 3: Cross multiply
    613.29x = 919.93 × 180.44
  4. Step 4: Simplify right side
    613.29x = 165,992.17
  5. Step 5: Solve for x
    x = 165,992.17/613.29
  6. Step 6: Final answer
    x = 270.66

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