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Finding the Fourth Proportional to 406.04, 609.56 and 338.39

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Solution

The fourth proportional to 406.04, 609.56 and 338.39 is: 508.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    406.04 : 609.56 = 338.39 : x
  2. Step 2: Convert to fraction form
    406.04/609.56 = 338.39/x
  3. Step 3: Cross multiply
    406.04x = 609.56 × 338.39
  4. Step 4: Simplify right side
    406.04x = 206,266.81
  5. Step 5: Solve for x
    x = 206,266.81/406.04
  6. Step 6: Final answer
    x = 508.00

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