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Finding the Fourth Proportional to 522.22, 783.34 and 137.47

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Solution

The fourth proportional to 522.22, 783.34 and 137.47 is: 206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.22 : 783.34 = 137.47 : x
  2. Step 2: Convert to fraction form
    522.22/783.34 = 137.47/x
  3. Step 3: Cross multiply
    522.22x = 783.34 × 137.47
  4. Step 4: Simplify right side
    522.22x = 107,685.06
  5. Step 5: Solve for x
    x = 107,685.06/522.22
  6. Step 6: Final answer
    x = 206.21

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