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Finding the Fourth Proportional to 293.22, 404.60 and 175.20

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Solution

The fourth proportional to 293.22, 404.60 and 175.20 is: 241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.22 : 404.60 = 175.20 : x
  2. Step 2: Convert to fraction form
    293.22/404.60 = 175.20/x
  3. Step 3: Cross multiply
    293.22x = 404.60 × 175.20
  4. Step 4: Simplify right side
    293.22x = 70,885.92
  5. Step 5: Solve for x
    x = 70,885.92/293.22
  6. Step 6: Final answer
    x = 241.75

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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.