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Finding the Fourth Proportional to 293.34, 404.87 and 169.05

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Solution

The fourth proportional to 293.34, 404.87 and 169.05 is: 233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.34 : 404.87 = 169.05 : x
  2. Step 2: Convert to fraction form
    293.34/404.87 = 169.05/x
  3. Step 3: Cross multiply
    293.34x = 404.87 × 169.05
  4. Step 4: Simplify right side
    293.34x = 68,442.43
  5. Step 5: Solve for x
    x = 68,442.43/293.34
  6. Step 6: Final answer
    x = 233.32

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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.