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Finding the Fourth Proportional to 538.75, 808.26 and 154

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Solution

The fourth proportional to 538.75, 808.26 and 154 is: 231.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.75 : 808.26 = 154 : x
  2. Step 2: Convert to fraction form
    538.75/808.26 = 154/x
  3. Step 3: Cross multiply
    538.75x = 808.26 × 154
  4. Step 4: Simplify right side
    538.75x = 124,472.04
  5. Step 5: Solve for x
    x = 124,472.04/538.75
  6. Step 6: Final answer
    x = 231.04

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