Finding the Fourth Proportional to 269.26, 403.09 and 217.99
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Solution
The fourth proportional to 269.26, 403.09 and 217.99 is: 326.34
Step by Step Solution
- Step 1: Write the proportion equation
269.26 : 403.09 = 217.99 : x - Step 2: Convert to fraction form
269.26/403.09 = 217.99/x - Step 3: Cross multiply
269.26x = 403.09 × 217.99 - Step 4: Simplify right side
269.26x = 87,869.55 - Step 5: Solve for x
x = 87,869.55/269.26 - Step 6: Final answer
x = 326.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.