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Finding the Fourth Proportional to 609.24, 908.08 and 573.74

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Solution

The fourth proportional to 609.24, 908.08 and 573.74 is: 855.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.24 : 908.08 = 573.74 : x
  2. Step 2: Convert to fraction form
    609.24/908.08 = 573.74/x
  3. Step 3: Cross multiply
    609.24x = 908.08 × 573.74
  4. Step 4: Simplify right side
    609.24x = 521,001.82
  5. Step 5: Solve for x
    x = 521,001.82/609.24
  6. Step 6: Final answer
    x = 855.17

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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.