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Finding the Fourth Proportional to 447.95, 671.57 and 310.59

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Solution

The fourth proportional to 447.95, 671.57 and 310.59 is: 465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.95 : 671.57 = 310.59 : x
  2. Step 2: Convert to fraction form
    447.95/671.57 = 310.59/x
  3. Step 3: Cross multiply
    447.95x = 671.57 × 310.59
  4. Step 4: Simplify right side
    447.95x = 208,582.93
  5. Step 5: Solve for x
    x = 208,582.93/447.95
  6. Step 6: Final answer
    x = 465.64

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