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Finding the Fourth Proportional to 613.98, 920.82 and 181.14

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Solution

The fourth proportional to 613.98, 920.82 and 181.14 is: 271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.98 : 920.82 = 181.14 : x
  2. Step 2: Convert to fraction form
    613.98/920.82 = 181.14/x
  3. Step 3: Cross multiply
    613.98x = 920.82 × 181.14
  4. Step 4: Simplify right side
    613.98x = 166,793.54
  5. Step 5: Solve for x
    x = 166,793.54/613.98
  6. Step 6: Final answer
    x = 271.66

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