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Finding the Fourth Proportional to 293.05, 404.63 and 205.84

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Solution

The fourth proportional to 293.05, 404.63 and 205.84 is: 284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.05 : 404.63 = 205.84 : x
  2. Step 2: Convert to fraction form
    293.05/404.63 = 205.84/x
  3. Step 3: Cross multiply
    293.05x = 404.63 × 205.84
  4. Step 4: Simplify right side
    293.05x = 83,288.01
  5. Step 5: Solve for x
    x = 83,288.01/293.05
  6. Step 6: Final answer
    x = 284.21

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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.