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Finding the Fourth Proportional to 492.76, 679.82 and 337.64

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Solution

The fourth proportional to 492.76, 679.82 and 337.64 is: 465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.76 : 679.82 = 337.64 : x
  2. Step 2: Convert to fraction form
    492.76/679.82 = 337.64/x
  3. Step 3: Cross multiply
    492.76x = 679.82 × 337.64
  4. Step 4: Simplify right side
    492.76x = 229,534.42
  5. Step 5: Solve for x
    x = 229,534.42/492.76
  6. Step 6: Final answer
    x = 465.81

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