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Finding the Fourth Proportional to 237.94, 328.35 and 155.18

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Solution

The fourth proportional to 237.94, 328.35 and 155.18 is: 214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.94 : 328.35 = 155.18 : x
  2. Step 2: Convert to fraction form
    237.94/328.35 = 155.18/x
  3. Step 3: Cross multiply
    237.94x = 328.35 × 155.18
  4. Step 4: Simplify right side
    237.94x = 50,955.45
  5. Step 5: Solve for x
    x = 50,955.45/237.94
  6. Step 6: Final answer
    x = 214.15

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