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Finding the Fourth Proportional to 403.14, 604.29 and 186.48

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Solution

The fourth proportional to 403.14, 604.29 and 186.48 is: 279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.14 : 604.29 = 186.48 : x
  2. Step 2: Convert to fraction form
    403.14/604.29 = 186.48/x
  3. Step 3: Cross multiply
    403.14x = 604.29 × 186.48
  4. Step 4: Simplify right side
    403.14x = 112,688.00
  5. Step 5: Solve for x
    x = 112,688.00/403.14
  6. Step 6: Final answer
    x = 279.53

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