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Finding the Fourth Proportional to 606.06, 834.57 and 528.30

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Solution

The fourth proportional to 606.06, 834.57 and 528.30 is: 727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.06 : 834.57 = 528.30 : x
  2. Step 2: Convert to fraction form
    606.06/834.57 = 528.30/x
  3. Step 3: Cross multiply
    606.06x = 834.57 × 528.30
  4. Step 4: Simplify right side
    606.06x = 440,903.33
  5. Step 5: Solve for x
    x = 440,903.33/606.06
  6. Step 6: Final answer
    x = 727.49

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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.