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Finding the Fourth Proportional to 444, 612.74 and 289.02

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Solution

The fourth proportional to 444, 612.74 and 289.02 is: 398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    444 : 612.74 = 289.02 : x
  2. Step 2: Convert to fraction form
    444/612.74 = 289.02/x
  3. Step 3: Cross multiply
    444x = 612.74 × 289.02
  4. Step 4: Simplify right side
    444x = 177,094.11
  5. Step 5: Solve for x
    x = 177,094.11/444
  6. Step 6: Final answer
    x = 398.86

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