Finding the Fourth Proportional to 194.22, 291.35 and 49.94
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Solution
The fourth proportional to 194.22, 291.35 and 49.94 is: 74.92
Step by Step Solution
- Step 1: Write the proportion equation
194.22 : 291.35 = 49.94 : x - Step 2: Convert to fraction form
194.22/291.35 = 49.94/x - Step 3: Cross multiply
194.22x = 291.35 × 49.94 - Step 4: Simplify right side
194.22x = 14,550.02 - Step 5: Solve for x
x = 14,550.02/194.22 - Step 6: Final answer
x = 74.92
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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.