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Finding the Fourth Proportional to 606.26, 836.52 and 385.04

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Solution

The fourth proportional to 606.26, 836.52 and 385.04 is: 531.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.26 : 836.52 = 385.04 : x
  2. Step 2: Convert to fraction form
    606.26/836.52 = 385.04/x
  3. Step 3: Cross multiply
    606.26x = 836.52 × 385.04
  4. Step 4: Simplify right side
    606.26x = 322,093.66
  5. Step 5: Solve for x
    x = 322,093.66/606.26
  6. Step 6: Final answer
    x = 531.28

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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.