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Finding the Fourth Proportional to 344.27, 474.64 and 249.66

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Solution

The fourth proportional to 344.27, 474.64 and 249.66 is: 344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.27 : 474.64 = 249.66 : x
  2. Step 2: Convert to fraction form
    344.27/474.64 = 249.66/x
  3. Step 3: Cross multiply
    344.27x = 474.64 × 249.66
  4. Step 4: Simplify right side
    344.27x = 118,498.00
  5. Step 5: Solve for x
    x = 118,498.00/344.27
  6. Step 6: Final answer
    x = 344.20

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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.