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Finding the Fourth Proportional to 606.01, 905.17 and 483.91

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Solution

The fourth proportional to 606.01, 905.17 and 483.91 is: 722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.01 : 905.17 = 483.91 : x
  2. Step 2: Convert to fraction form
    606.01/905.17 = 483.91/x
  3. Step 3: Cross multiply
    606.01x = 905.17 × 483.91
  4. Step 4: Simplify right side
    606.01x = 438,020.81
  5. Step 5: Solve for x
    x = 438,020.81/606.01
  6. Step 6: Final answer
    x = 722.79

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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.