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Finding the Fourth Proportional to 283, 390.56 and 166.64

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Solution

The fourth proportional to 283, 390.56 and 166.64 is: 229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    283 : 390.56 = 166.64 : x
  2. Step 2: Convert to fraction form
    283/390.56 = 166.64/x
  3. Step 3: Cross multiply
    283x = 390.56 × 166.64
  4. Step 4: Simplify right side
    283x = 65,082.92
  5. Step 5: Solve for x
    x = 65,082.92/283
  6. Step 6: Final answer
    x = 229.97

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