Finding the Fourth Proportional to 269.19, 403.08 and 252.99
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Solution
The fourth proportional to 269.19, 403.08 and 252.99 is: 378.82
Step by Step Solution
- Step 1: Write the proportion equation
269.19 : 403.08 = 252.99 : x - Step 2: Convert to fraction form
269.19/403.08 = 252.99/x - Step 3: Cross multiply
269.19x = 403.08 × 252.99 - Step 4: Simplify right side
269.19x = 101,975.21 - Step 5: Solve for x
x = 101,975.21/269.19 - Step 6: Final answer
x = 378.82
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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.