Finding the Fourth Proportional to 833.49, 1,249.97 and 394.68
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Solution
The fourth proportional to 833.49, 1,249.97 and 394.68 is: 591.89
Step by Step Solution
- Step 1: Write the proportion equation
833.49 : 1,249.97 = 394.68 : x - Step 2: Convert to fraction form
833.49/1,249.97 = 394.68/x - Step 3: Cross multiply
833.49x = 1,249.97 × 394.68 - Step 4: Simplify right side
833.49x = 493,336.19 - Step 5: Solve for x
x = 493,336.19/833.49 - Step 6: Final answer
x = 591.89
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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.