Finding the Fourth Proportional to 308.72, 426.02 and 168.84
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Solution
The fourth proportional to 308.72, 426.02 and 168.84 is: 232.99
Step by Step Solution
- Step 1: Write the proportion equation
308.72 : 426.02 = 168.84 : x - Step 2: Convert to fraction form
308.72/426.02 = 168.84/x - Step 3: Cross multiply
308.72x = 426.02 × 168.84 - Step 4: Simplify right side
308.72x = 71,929.22 - Step 5: Solve for x
x = 71,929.22/308.72 - Step 6: Final answer
x = 232.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.