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Finding the Fourth Proportional to 302.74, 417.76 and 171.74

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Solution

The fourth proportional to 302.74, 417.76 and 171.74 is: 237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.74 : 417.76 = 171.74 : x
  2. Step 2: Convert to fraction form
    302.74/417.76 = 171.74/x
  3. Step 3: Cross multiply
    302.74x = 417.76 × 171.74
  4. Step 4: Simplify right side
    302.74x = 71,747.68
  5. Step 5: Solve for x
    x = 71,747.68/302.74
  6. Step 6: Final answer
    x = 237.00

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