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Finding the Fourth Proportional to 606.02, 836.06 and 404.22

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Solution

The fourth proportional to 606.02, 836.06 and 404.22 is: 557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.02 : 836.06 = 404.22 : x
  2. Step 2: Convert to fraction form
    606.02/836.06 = 404.22/x
  3. Step 3: Cross multiply
    606.02x = 836.06 × 404.22
  4. Step 4: Simplify right side
    606.02x = 337,953.29
  5. Step 5: Solve for x
    x = 337,953.29/606.02
  6. Step 6: Final answer
    x = 557.66

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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.