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Finding the Fourth Proportional to 293.56, 440.60 and 262.66

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Solution

The fourth proportional to 293.56, 440.60 and 262.66 is: 394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.56 : 440.60 = 262.66 : x
  2. Step 2: Convert to fraction form
    293.56/440.60 = 262.66/x
  3. Step 3: Cross multiply
    293.56x = 440.60 × 262.66
  4. Step 4: Simplify right side
    293.56x = 115,725.58
  5. Step 5: Solve for x
    x = 115,725.58/293.56
  6. Step 6: Final answer
    x = 394.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.