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Finding the Fourth Proportional to 658.02, 908.06 and 359.27

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Solution

The fourth proportional to 658.02, 908.06 and 359.27 is: 495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    658.02 : 908.06 = 359.27 : x
  2. Step 2: Convert to fraction form
    658.02/908.06 = 359.27/x
  3. Step 3: Cross multiply
    658.02x = 908.06 × 359.27
  4. Step 4: Simplify right side
    658.02x = 326,238.72
  5. Step 5: Solve for x
    x = 326,238.72/658.02
  6. Step 6: Final answer
    x = 495.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.