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Finding the Fourth Proportional to 277.22, 415.77 and 92.12

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Solution

The fourth proportional to 277.22, 415.77 and 92.12 is: 138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.22 : 415.77 = 92.12 : x
  2. Step 2: Convert to fraction form
    277.22/415.77 = 92.12/x
  3. Step 3: Cross multiply
    277.22x = 415.77 × 92.12
  4. Step 4: Simplify right side
    277.22x = 38,302.07
  5. Step 5: Solve for x
    x = 38,302.07/277.22
  6. Step 6: Final answer
    x = 138.17

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