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Finding the Fourth Proportional to 508.51, 701.71 and 321.97

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Solution

The fourth proportional to 508.51, 701.71 and 321.97 is: 444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.51 : 701.71 = 321.97 : x
  2. Step 2: Convert to fraction form
    508.51/701.71 = 321.97/x
  3. Step 3: Cross multiply
    508.51x = 701.71 × 321.97
  4. Step 4: Simplify right side
    508.51x = 225,929.57
  5. Step 5: Solve for x
    x = 225,929.57/508.51
  6. Step 6: Final answer
    x = 444.30

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