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Finding the Fourth Proportional to 293.02, 404.43 and 176.65

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Solution

The fourth proportional to 293.02, 404.43 and 176.65 is: 243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.02 : 404.43 = 176.65 : x
  2. Step 2: Convert to fraction form
    293.02/404.43 = 176.65/x
  3. Step 3: Cross multiply
    293.02x = 404.43 × 176.65
  4. Step 4: Simplify right side
    293.02x = 71,442.56
  5. Step 5: Solve for x
    x = 71,442.56/293.02
  6. Step 6: Final answer
    x = 243.81

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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.