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Finding the Fourth Proportional to 370.92, 556.38 and 154.56

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Solution

The fourth proportional to 370.92, 556.38 and 154.56 is: 231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.92 : 556.38 = 154.56 : x
  2. Step 2: Convert to fraction form
    370.92/556.38 = 154.56/x
  3. Step 3: Cross multiply
    370.92x = 556.38 × 154.56
  4. Step 4: Simplify right side
    370.92x = 85,994.09
  5. Step 5: Solve for x
    x = 85,994.09/370.92
  6. Step 6: Final answer
    x = 231.84

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