Finding the Fourth Proportional to 194, 290.92 and 63.96
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Solution
The fourth proportional to 194, 290.92 and 63.96 is: 95.91
Step by Step Solution
- Step 1: Write the proportion equation
194 : 290.92 = 63.96 : x - Step 2: Convert to fraction form
194/290.92 = 63.96/x - Step 3: Cross multiply
194x = 290.92 × 63.96 - Step 4: Simplify right side
194x = 18,607.24 - Step 5: Solve for x
x = 18,607.24/194 - Step 6: Final answer
x = 95.91
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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.