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Finding the Fourth Proportional to 606.03, 908.62 and 313.41

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Solution

The fourth proportional to 606.03, 908.62 and 313.41 is: 469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.03 : 908.62 = 313.41 : x
  2. Step 2: Convert to fraction form
    606.03/908.62 = 313.41/x
  3. Step 3: Cross multiply
    606.03x = 908.62 × 313.41
  4. Step 4: Simplify right side
    606.03x = 284,770.59
  5. Step 5: Solve for x
    x = 284,770.59/606.03
  6. Step 6: Final answer
    x = 469.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.