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Finding the Fourth Proportional to 557.37, 835.81 and 192.19

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Solution

The fourth proportional to 557.37, 835.81 and 192.19 is: 288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.37 : 835.81 = 192.19 : x
  2. Step 2: Convert to fraction form
    557.37/835.81 = 192.19/x
  3. Step 3: Cross multiply
    557.37x = 835.81 × 192.19
  4. Step 4: Simplify right side
    557.37x = 160,634.32
  5. Step 5: Solve for x
    x = 160,634.32/557.37
  6. Step 6: Final answer
    x = 288.20

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