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Finding the Fourth Proportional to 606.02, 909.09 and 453.87

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Solution

The fourth proportional to 606.02, 909.09 and 453.87 is: 680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.02 : 909.09 = 453.87 : x
  2. Step 2: Convert to fraction form
    606.02/909.09 = 453.87/x
  3. Step 3: Cross multiply
    606.02x = 909.09 × 453.87
  4. Step 4: Simplify right side
    606.02x = 412,608.68
  5. Step 5: Solve for x
    x = 412,608.68/606.02
  6. Step 6: Final answer
    x = 680.86

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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.