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Finding the Fourth Proportional to 304.44, 419.79 and 199.62

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Solution

The fourth proportional to 304.44, 419.79 and 199.62 is: 275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.44 : 419.79 = 199.62 : x
  2. Step 2: Convert to fraction form
    304.44/419.79 = 199.62/x
  3. Step 3: Cross multiply
    304.44x = 419.79 × 199.62
  4. Step 4: Simplify right side
    304.44x = 83,798.48
  5. Step 5: Solve for x
    x = 83,798.48/304.44
  6. Step 6: Final answer
    x = 275.25

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