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Finding the Fourth Proportional to 302.84, 418 and 171.89

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Solution

The fourth proportional to 302.84, 418 and 171.89 is: 237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.84 : 418 = 171.89 : x
  2. Step 2: Convert to fraction form
    302.84/418 = 171.89/x
  3. Step 3: Cross multiply
    302.84x = 418 × 171.89
  4. Step 4: Simplify right side
    302.84x = 71,850.02
  5. Step 5: Solve for x
    x = 71,850.02/302.84
  6. Step 6: Final answer
    x = 237.25

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