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Finding the Fourth Proportional to 293.30, 402.94 and 262.62

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Solution

The fourth proportional to 293.30, 402.94 and 262.62 is: 360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.30 : 402.94 = 262.62 : x
  2. Step 2: Convert to fraction form
    293.30/402.94 = 262.62/x
  3. Step 3: Cross multiply
    293.30x = 402.94 × 262.62
  4. Step 4: Simplify right side
    293.30x = 105,820.10
  5. Step 5: Solve for x
    x = 105,820.10/293.30
  6. Step 6: Final answer
    x = 360.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.