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Finding the Fourth Proportional to 241.03, 361.51 and 78.70

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Solution

The fourth proportional to 241.03, 361.51 and 78.70 is: 118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.03 : 361.51 = 78.70 : x
  2. Step 2: Convert to fraction form
    241.03/361.51 = 78.70/x
  3. Step 3: Cross multiply
    241.03x = 361.51 × 78.70
  4. Step 4: Simplify right side
    241.03x = 28,450.84
  5. Step 5: Solve for x
    x = 28,450.84/241.03
  6. Step 6: Final answer
    x = 118.04

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