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Finding the Fourth Proportional to 658.57, 908.21 and 606.23

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Solution

The fourth proportional to 658.57, 908.21 and 606.23 is: 836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    658.57 : 908.21 = 606.23 : x
  2. Step 2: Convert to fraction form
    658.57/908.21 = 606.23/x
  3. Step 3: Cross multiply
    658.57x = 908.21 × 606.23
  4. Step 4: Simplify right side
    658.57x = 550,579.61
  5. Step 5: Solve for x
    x = 550,579.61/658.57
  6. Step 6: Final answer
    x = 836.03

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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.