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Finding the Fourth Proportional to 302.75, 417.99 and 269.94

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Solution

The fourth proportional to 302.75, 417.99 and 269.94 is: 372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.75 : 417.99 = 269.94 : x
  2. Step 2: Convert to fraction form
    302.75/417.99 = 269.94/x
  3. Step 3: Cross multiply
    302.75x = 417.99 × 269.94
  4. Step 4: Simplify right side
    302.75x = 112,834.80
  5. Step 5: Solve for x
    x = 112,834.80/302.75
  6. Step 6: Final answer
    x = 372.70

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