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Finding the Fourth Proportional to 361.17, 541.80 and 117.61

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Solution

The fourth proportional to 361.17, 541.80 and 117.61 is: 176.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.17 : 541.80 = 117.61 : x
  2. Step 2: Convert to fraction form
    361.17/541.80 = 117.61/x
  3. Step 3: Cross multiply
    361.17x = 541.80 × 117.61
  4. Step 4: Simplify right side
    361.17x = 63,721.78
  5. Step 5: Solve for x
    x = 63,721.78/361.17
  6. Step 6: Final answer
    x = 176.43

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