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Finding the Fourth Proportional to 388.74, 582.93 and 226.47

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Solution

The fourth proportional to 388.74, 582.93 and 226.47 is: 339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    388.74 : 582.93 = 226.47 : x
  2. Step 2: Convert to fraction form
    388.74/582.93 = 226.47/x
  3. Step 3: Cross multiply
    388.74x = 582.93 × 226.47
  4. Step 4: Simplify right side
    388.74x = 132,016.16
  5. Step 5: Solve for x
    x = 132,016.16/388.74
  6. Step 6: Final answer
    x = 339.60

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