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Finding the Fourth Proportional to 511.21, 766.97 and 146.00

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Solution

The fourth proportional to 511.21, 766.97 and 146.00 is: 219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.21 : 766.97 = 146.00 : x
  2. Step 2: Convert to fraction form
    511.21/766.97 = 146.00/x
  3. Step 3: Cross multiply
    511.21x = 766.97 × 146.00
  4. Step 4: Simplify right side
    511.21x = 111,979.35
  5. Step 5: Solve for x
    x = 111,979.35/511.21
  6. Step 6: Final answer
    x = 219.05

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