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Finding the Fourth Proportional to 487.26, 730.98 and 396.75

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Solution

The fourth proportional to 487.26, 730.98 and 396.75 is: 595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    487.26 : 730.98 = 396.75 : x
  2. Step 2: Convert to fraction form
    487.26/730.98 = 396.75/x
  3. Step 3: Cross multiply
    487.26x = 730.98 × 396.75
  4. Step 4: Simplify right side
    487.26x = 290,016.32
  5. Step 5: Solve for x
    x = 290,016.32/487.26
  6. Step 6: Final answer
    x = 595.20

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