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Finding the Fourth Proportional to 656.15, 984.33 and 193.95

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Solution

The fourth proportional to 656.15, 984.33 and 193.95 is: 290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.15 : 984.33 = 193.95 : x
  2. Step 2: Convert to fraction form
    656.15/984.33 = 193.95/x
  3. Step 3: Cross multiply
    656.15x = 984.33 × 193.95
  4. Step 4: Simplify right side
    656.15x = 190,910.80
  5. Step 5: Solve for x
    x = 190,910.80/656.15
  6. Step 6: Final answer
    x = 290.96

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