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Finding the Fourth Proportional to 403.41, 604.98 and 114.78

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Solution

The fourth proportional to 403.41, 604.98 and 114.78 is: 172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.41 : 604.98 = 114.78 : x
  2. Step 2: Convert to fraction form
    403.41/604.98 = 114.78/x
  3. Step 3: Cross multiply
    403.41x = 604.98 × 114.78
  4. Step 4: Simplify right side
    403.41x = 69,439.60
  5. Step 5: Solve for x
    x = 69,439.60/403.41
  6. Step 6: Final answer
    x = 172.13

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