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Finding the Fourth Proportional to 321.23, 480.62 and 295.41

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Solution

The fourth proportional to 321.23, 480.62 and 295.41 is: 442.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    321.23 : 480.62 = 295.41 : x
  2. Step 2: Convert to fraction form
    321.23/480.62 = 295.41/x
  3. Step 3: Cross multiply
    321.23x = 480.62 × 295.41
  4. Step 4: Simplify right side
    321.23x = 141,979.95
  5. Step 5: Solve for x
    x = 141,979.95/321.23
  6. Step 6: Final answer
    x = 442.00

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