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Finding the Fourth Proportional to 285.16, 393.51 and 174.64

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Solution

The fourth proportional to 285.16, 393.51 and 174.64 is: 241.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    285.16 : 393.51 = 174.64 : x
  2. Step 2: Convert to fraction form
    285.16/393.51 = 174.64/x
  3. Step 3: Cross multiply
    285.16x = 393.51 × 174.64
  4. Step 4: Simplify right side
    285.16x = 68,722.59
  5. Step 5: Solve for x
    x = 68,722.59/285.16
  6. Step 6: Final answer
    x = 241.00

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