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Finding the Fourth Proportional to 606.52, 913.25 and 445.33

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Solution

The fourth proportional to 606.52, 913.25 and 445.33 is: 670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.52 : 913.25 = 445.33 : x
  2. Step 2: Convert to fraction form
    606.52/913.25 = 445.33/x
  3. Step 3: Cross multiply
    606.52x = 913.25 × 445.33
  4. Step 4: Simplify right side
    606.52x = 406,697.62
  5. Step 5: Solve for x
    x = 406,697.62/606.52
  6. Step 6: Final answer
    x = 670.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.