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Finding the Fourth Proportional to 285.03, 427.59 and 122.73

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Solution

The fourth proportional to 285.03, 427.59 and 122.73 is: 184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    285.03 : 427.59 = 122.73 : x
  2. Step 2: Convert to fraction form
    285.03/427.59 = 122.73/x
  3. Step 3: Cross multiply
    285.03x = 427.59 × 122.73
  4. Step 4: Simplify right side
    285.03x = 52,478.12
  5. Step 5: Solve for x
    x = 52,478.12/285.03
  6. Step 6: Final answer
    x = 184.11

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