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Finding the Fourth Proportional to 264.78, 365.16 and 191.58

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Solution

The fourth proportional to 264.78, 365.16 and 191.58 is: 264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.78 : 365.16 = 191.58 : x
  2. Step 2: Convert to fraction form
    264.78/365.16 = 191.58/x
  3. Step 3: Cross multiply
    264.78x = 365.16 × 191.58
  4. Step 4: Simplify right side
    264.78x = 69,957.35
  5. Step 5: Solve for x
    x = 69,957.35/264.78
  6. Step 6: Final answer
    x = 264.21

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