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Finding the Fourth Proportional to 538.34, 807.61 and 173.22

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Solution

The fourth proportional to 538.34, 807.61 and 173.22 is: 259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.34 : 807.61 = 173.22 : x
  2. Step 2: Convert to fraction form
    538.34/807.61 = 173.22/x
  3. Step 3: Cross multiply
    538.34x = 807.61 × 173.22
  4. Step 4: Simplify right side
    538.34x = 139,894.20
  5. Step 5: Solve for x
    x = 139,894.20/538.34
  6. Step 6: Final answer
    x = 259.86

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