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Finding the Fourth Proportional to 292.89, 404.37 and 204.47

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Solution

The fourth proportional to 292.89, 404.37 and 204.47 is: 282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.89 : 404.37 = 204.47 : x
  2. Step 2: Convert to fraction form
    292.89/404.37 = 204.47/x
  3. Step 3: Cross multiply
    292.89x = 404.37 × 204.47
  4. Step 4: Simplify right side
    292.89x = 82,679.51
  5. Step 5: Solve for x
    x = 82,679.51/292.89
  6. Step 6: Final answer
    x = 282.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.