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Finding the Fourth Proportional to 540.94, 811.40 and 156.18

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Solution

The fourth proportional to 540.94, 811.40 and 156.18 is: 234.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.94 : 811.40 = 156.18 : x
  2. Step 2: Convert to fraction form
    540.94/811.40 = 156.18/x
  3. Step 3: Cross multiply
    540.94x = 811.40 × 156.18
  4. Step 4: Simplify right side
    540.94x = 126,724.45
  5. Step 5: Solve for x
    x = 126,724.45/540.94
  6. Step 6: Final answer
    x = 234.27

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