Finding the Fourth Proportional to 297.68, 446.43 and 194.96
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Solution
The fourth proportional to 297.68, 446.43 and 194.96 is: 292.38
Step by Step Solution
- Step 1: Write the proportion equation
297.68 : 446.43 = 194.96 : x - Step 2: Convert to fraction form
297.68/446.43 = 194.96/x - Step 3: Cross multiply
297.68x = 446.43 × 194.96 - Step 4: Simplify right side
297.68x = 87,035.99 - Step 5: Solve for x
x = 87,035.99/297.68 - Step 6: Final answer
x = 292.38
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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.