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Finding the Fourth Proportional to 447.52, 671.21 and 173.74

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Solution

The fourth proportional to 447.52, 671.21 and 173.74 is: 260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.52 : 671.21 = 173.74 : x
  2. Step 2: Convert to fraction form
    447.52/671.21 = 173.74/x
  3. Step 3: Cross multiply
    447.52x = 671.21 × 173.74
  4. Step 4: Simplify right side
    447.52x = 116,611.80
  5. Step 5: Solve for x
    x = 116,611.80/447.52
  6. Step 6: Final answer
    x = 260.58

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