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Finding the Fourth Proportional to 398.18, 597.26 and 154.76

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Solution

The fourth proportional to 398.18, 597.26 and 154.76 is: 232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    398.18 : 597.26 = 154.76 : x
  2. Step 2: Convert to fraction form
    398.18/597.26 = 154.76/x
  3. Step 3: Cross multiply
    398.18x = 597.26 × 154.76
  4. Step 4: Simplify right side
    398.18x = 92,429.36
  5. Step 5: Solve for x
    x = 92,429.36/398.18
  6. Step 6: Final answer
    x = 232.13

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