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Finding the Fourth Proportional to 249.57, 342.59 and 244.98

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Solution

The fourth proportional to 249.57, 342.59 and 244.98 is: 336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.57 : 342.59 = 244.98 : x
  2. Step 2: Convert to fraction form
    249.57/342.59 = 244.98/x
  3. Step 3: Cross multiply
    249.57x = 342.59 × 244.98
  4. Step 4: Simplify right side
    249.57x = 83,926.47
  5. Step 5: Solve for x
    x = 83,926.47/249.57
  6. Step 6: Final answer
    x = 336.28

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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.