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Finding the Fourth Proportional to 404.38, 605.76 and 368.74

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Solution

The fourth proportional to 404.38, 605.76 and 368.74 is: 552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.38 : 605.76 = 368.74 : x
  2. Step 2: Convert to fraction form
    404.38/605.76 = 368.74/x
  3. Step 3: Cross multiply
    404.38x = 605.76 × 368.74
  4. Step 4: Simplify right side
    404.38x = 223,367.94
  5. Step 5: Solve for x
    x = 223,367.94/404.38
  6. Step 6: Final answer
    x = 552.37

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