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Finding the Fourth Proportional to 286.54, 429.99 and 165.04

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Solution

The fourth proportional to 286.54, 429.99 and 165.04 is: 247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    286.54 : 429.99 = 165.04 : x
  2. Step 2: Convert to fraction form
    286.54/429.99 = 165.04/x
  3. Step 3: Cross multiply
    286.54x = 429.99 × 165.04
  4. Step 4: Simplify right side
    286.54x = 70,965.55
  5. Step 5: Solve for x
    x = 70,965.55/286.54
  6. Step 6: Final answer
    x = 247.66

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