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Finding the Fourth Proportional to 188.85, 283.32 and 73.30

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Solution

The fourth proportional to 188.85, 283.32 and 73.30 is: 109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.85 : 283.32 = 73.30 : x
  2. Step 2: Convert to fraction form
    188.85/283.32 = 73.30/x
  3. Step 3: Cross multiply
    188.85x = 283.32 × 73.30
  4. Step 4: Simplify right side
    188.85x = 20,767.36
  5. Step 5: Solve for x
    x = 20,767.36/188.85
  6. Step 6: Final answer
    x = 109.97

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