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Finding the Fourth Proportional to 414.21, 620.09 and 362.95

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Solution

The fourth proportional to 414.21, 620.09 and 362.95 is: 543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.21 : 620.09 = 362.95 : x
  2. Step 2: Convert to fraction form
    414.21/620.09 = 362.95/x
  3. Step 3: Cross multiply
    414.21x = 620.09 × 362.95
  4. Step 4: Simplify right side
    414.21x = 225,061.67
  5. Step 5: Solve for x
    x = 225,061.67/414.21
  6. Step 6: Final answer
    x = 543.36

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