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Finding the Fourth Proportional to 412.08, 617.32 and 195.36

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Solution

The fourth proportional to 412.08, 617.32 and 195.36 is: 292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.08 : 617.32 = 195.36 : x
  2. Step 2: Convert to fraction form
    412.08/617.32 = 195.36/x
  3. Step 3: Cross multiply
    412.08x = 617.32 × 195.36
  4. Step 4: Simplify right side
    412.08x = 120,599.64
  5. Step 5: Solve for x
    x = 120,599.64/412.08
  6. Step 6: Final answer
    x = 292.66

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