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Finding the Fourth Proportional to 245.16, 367.89 and 100.88

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Solution

The fourth proportional to 245.16, 367.89 and 100.88 is: 151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.16 : 367.89 = 100.88 : x
  2. Step 2: Convert to fraction form
    245.16/367.89 = 100.88/x
  3. Step 3: Cross multiply
    245.16x = 367.89 × 100.88
  4. Step 4: Simplify right side
    245.16x = 37,110.90
  5. Step 5: Solve for x
    x = 37,110.90/245.16
  6. Step 6: Final answer
    x = 151.37

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