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Finding the Fourth Proportional to 606.24, 905.18 and 548.87

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Solution

The fourth proportional to 606.24, 905.18 and 548.87 is: 819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.24 : 905.18 = 548.87 : x
  2. Step 2: Convert to fraction form
    606.24/905.18 = 548.87/x
  3. Step 3: Cross multiply
    606.24x = 905.18 × 548.87
  4. Step 4: Simplify right side
    606.24x = 496,818.88
  5. Step 5: Solve for x
    x = 496,818.88/606.24
  6. Step 6: Final answer
    x = 819.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.