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Finding the Fourth Proportional to 291.76, 402.27 and 193.36

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Solution

The fourth proportional to 291.76, 402.27 and 193.36 is: 266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291.76 : 402.27 = 193.36 : x
  2. Step 2: Convert to fraction form
    291.76/402.27 = 193.36/x
  3. Step 3: Cross multiply
    291.76x = 402.27 × 193.36
  4. Step 4: Simplify right side
    291.76x = 77,782.93
  5. Step 5: Solve for x
    x = 77,782.93/291.76
  6. Step 6: Final answer
    x = 266.60

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