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Finding the Fourth Proportional to 262.14, 361.71 and 158.64

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Solution

The fourth proportional to 262.14, 361.71 and 158.64 is: 218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.14 : 361.71 = 158.64 : x
  2. Step 2: Convert to fraction form
    262.14/361.71 = 158.64/x
  3. Step 3: Cross multiply
    262.14x = 361.71 × 158.64
  4. Step 4: Simplify right side
    262.14x = 57,381.67
  5. Step 5: Solve for x
    x = 57,381.67/262.14
  6. Step 6: Final answer
    x = 218.90

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