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Finding the Fourth Proportional to 228.83, 315.90 and 166.56

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Solution

The fourth proportional to 228.83, 315.90 and 166.56 is: 229.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    228.83 : 315.90 = 166.56 : x
  2. Step 2: Convert to fraction form
    228.83/315.90 = 166.56/x
  3. Step 3: Cross multiply
    228.83x = 315.90 × 166.56
  4. Step 4: Simplify right side
    228.83x = 52,615.12
  5. Step 5: Solve for x
    x = 52,615.12/228.83
  6. Step 6: Final answer
    x = 229.94

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