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Finding the Fourth Proportional to 358.11, 536.94 and 126.90

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Solution

The fourth proportional to 358.11, 536.94 and 126.90 is: 190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.11 : 536.94 = 126.90 : x
  2. Step 2: Convert to fraction form
    358.11/536.94 = 126.90/x
  3. Step 3: Cross multiply
    358.11x = 536.94 × 126.90
  4. Step 4: Simplify right side
    358.11x = 68,137.69
  5. Step 5: Solve for x
    x = 68,137.69/358.11
  6. Step 6: Final answer
    x = 190.27

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