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Finding the Fourth Proportional to 283.07, 424.64 and 120.73

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Solution

The fourth proportional to 283.07, 424.64 and 120.73 is: 181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.07 : 424.64 = 120.73 : x
  2. Step 2: Convert to fraction form
    283.07/424.64 = 120.73/x
  3. Step 3: Cross multiply
    283.07x = 424.64 × 120.73
  4. Step 4: Simplify right side
    283.07x = 51,266.18
  5. Step 5: Solve for x
    x = 51,266.18/283.07
  6. Step 6: Final answer
    x = 181.11

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