Finding the Fourth Proportional to 269.18, 403.68 and 122.96
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Solution
The fourth proportional to 269.18, 403.68 and 122.96 is: 184.40
Step by Step Solution
- Step 1: Write the proportion equation
269.18 : 403.68 = 122.96 : x - Step 2: Convert to fraction form
269.18/403.68 = 122.96/x - Step 3: Cross multiply
269.18x = 403.68 × 122.96 - Step 4: Simplify right side
269.18x = 49,636.49 - Step 5: Solve for x
x = 49,636.49/269.18 - Step 6: Final answer
x = 184.40
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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.