Finding the Fourth Proportional to 249.96, 344.99 and 208.44
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Solution
The fourth proportional to 249.96, 344.99 and 208.44 is: 287.68
Step by Step Solution
- Step 1: Write the proportion equation
249.96 : 344.99 = 208.44 : x - Step 2: Convert to fraction form
249.96/344.99 = 208.44/x - Step 3: Cross multiply
249.96x = 344.99 × 208.44 - Step 4: Simplify right side
249.96x = 71,908.67 - Step 5: Solve for x
x = 71,908.67/249.96 - Step 6: Final answer
x = 287.68
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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.