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Finding the Fourth Proportional to 622.71, 932.85 and 314.19

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Solution

The fourth proportional to 622.71, 932.85 and 314.19 is: 470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.71 : 932.85 = 314.19 : x
  2. Step 2: Convert to fraction form
    622.71/932.85 = 314.19/x
  3. Step 3: Cross multiply
    622.71x = 932.85 × 314.19
  4. Step 4: Simplify right side
    622.71x = 293,092.14
  5. Step 5: Solve for x
    x = 293,092.14/622.71
  6. Step 6: Final answer
    x = 470.67

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