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Finding the Fourth Proportional to 395.16, 592.74 and 331.48

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Solution

The fourth proportional to 395.16, 592.74 and 331.48 is: 497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.16 : 592.74 = 331.48 : x
  2. Step 2: Convert to fraction form
    395.16/592.74 = 331.48/x
  3. Step 3: Cross multiply
    395.16x = 592.74 × 331.48
  4. Step 4: Simplify right side
    395.16x = 196,481.46
  5. Step 5: Solve for x
    x = 196,481.46/395.16
  6. Step 6: Final answer
    x = 497.22

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