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Finding the Fourth Proportional to 538.23, 807.32 and 173.28

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Solution

The fourth proportional to 538.23, 807.32 and 173.28 is: 259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.23 : 807.32 = 173.28 : x
  2. Step 2: Convert to fraction form
    538.23/807.32 = 173.28/x
  3. Step 3: Cross multiply
    538.23x = 807.32 × 173.28
  4. Step 4: Simplify right side
    538.23x = 139,891.54
  5. Step 5: Solve for x
    x = 139,891.54/538.23
  6. Step 6: Final answer
    x = 259.91

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