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Finding the Fourth Proportional to 606.03, 836.38 and 357.43

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Solution

The fourth proportional to 606.03, 836.38 and 357.43 is: 493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.03 : 836.38 = 357.43 : x
  2. Step 2: Convert to fraction form
    606.03/836.38 = 357.43/x
  3. Step 3: Cross multiply
    606.03x = 836.38 × 357.43
  4. Step 4: Simplify right side
    606.03x = 298,944.32
  5. Step 5: Solve for x
    x = 298,944.32/606.03
  6. Step 6: Final answer
    x = 493.28

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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.