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Finding the Fourth Proportional to 404.94, 607.41 and 161.47

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Solution

The fourth proportional to 404.94, 607.41 and 161.47 is: 242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.94 : 607.41 = 161.47 : x
  2. Step 2: Convert to fraction form
    404.94/607.41 = 161.47/x
  3. Step 3: Cross multiply
    404.94x = 607.41 × 161.47
  4. Step 4: Simplify right side
    404.94x = 98,076.97
  5. Step 5: Solve for x
    x = 98,076.97/404.94
  6. Step 6: Final answer
    x = 242.20

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