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Finding the Fourth Proportional to 515.19, 773.01 and 190.65

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Solution

The fourth proportional to 515.19, 773.01 and 190.65 is: 286.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    515.19 : 773.01 = 190.65 : x
  2. Step 2: Convert to fraction form
    515.19/773.01 = 190.65/x
  3. Step 3: Cross multiply
    515.19x = 773.01 × 190.65
  4. Step 4: Simplify right side
    515.19x = 147,374.36
  5. Step 5: Solve for x
    x = 147,374.36/515.19
  6. Step 6: Final answer
    x = 286.06

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