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Finding the Fourth Proportional to 238.05, 356.83 and 100.98

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Solution

The fourth proportional to 238.05, 356.83 and 100.98 is: 151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.05 : 356.83 = 100.98 : x
  2. Step 2: Convert to fraction form
    238.05/356.83 = 100.98/x
  3. Step 3: Cross multiply
    238.05x = 356.83 × 100.98
  4. Step 4: Simplify right side
    238.05x = 36,032.44
  5. Step 5: Solve for x
    x = 36,032.44/238.05
  6. Step 6: Final answer
    x = 151.37

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