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Finding the Fourth Proportional to 451.93, 677.92 and 127.32

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Solution

The fourth proportional to 451.93, 677.92 and 127.32 is: 190.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.93 : 677.92 = 127.32 : x
  2. Step 2: Convert to fraction form
    451.93/677.92 = 127.32/x
  3. Step 3: Cross multiply
    451.93x = 677.92 × 127.32
  4. Step 4: Simplify right side
    451.93x = 86,313.73
  5. Step 5: Solve for x
    x = 86,313.73/451.93
  6. Step 6: Final answer
    x = 190.99

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