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Finding the Fourth Proportional to 460.54, 690.86 and 200.62

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Solution

The fourth proportional to 460.54, 690.86 and 200.62 is: 300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.54 : 690.86 = 200.62 : x
  2. Step 2: Convert to fraction form
    460.54/690.86 = 200.62/x
  3. Step 3: Cross multiply
    460.54x = 690.86 × 200.62
  4. Step 4: Simplify right side
    460.54x = 138,600.33
  5. Step 5: Solve for x
    x = 138,600.33/460.54
  6. Step 6: Final answer
    x = 300.95

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