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Finding the Fourth Proportional to 662.76, 993.38 and 251.68

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Solution

The fourth proportional to 662.76, 993.38 and 251.68 is: 377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.76 : 993.38 = 251.68 : x
  2. Step 2: Convert to fraction form
    662.76/993.38 = 251.68/x
  3. Step 3: Cross multiply
    662.76x = 993.38 × 251.68
  4. Step 4: Simplify right side
    662.76x = 250,008.86
  5. Step 5: Solve for x
    x = 250,008.86/662.76
  6. Step 6: Final answer
    x = 377.22

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