Finding the Fourth Proportional to 249.62, 344.18 and 202.84
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Solution
The fourth proportional to 249.62, 344.18 and 202.84 is: 279.68
Step by Step Solution
- Step 1: Write the proportion equation
249.62 : 344.18 = 202.84 : x - Step 2: Convert to fraction form
249.62/344.18 = 202.84/x - Step 3: Cross multiply
249.62x = 344.18 × 202.84 - Step 4: Simplify right side
249.62x = 69,813.47 - Step 5: Solve for x
x = 69,813.47/249.62 - Step 6: Final answer
x = 279.68
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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.