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Finding the Fourth Proportional to 293.03, 404.29 and 238.13

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Solution

The fourth proportional to 293.03, 404.29 and 238.13 is: 328.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.03 : 404.29 = 238.13 : x
  2. Step 2: Convert to fraction form
    293.03/404.29 = 238.13/x
  3. Step 3: Cross multiply
    293.03x = 404.29 × 238.13
  4. Step 4: Simplify right side
    293.03x = 96,273.58
  5. Step 5: Solve for x
    x = 96,273.58/293.03
  6. Step 6: Final answer
    x = 328.55

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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.