Finding the Fourth Proportional to 269, 403.50 and 76.63
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Solution
The fourth proportional to 269, 403.50 and 76.63 is: 114.94
Step by Step Solution
- Step 1: Write the proportion equation
269 : 403.50 = 76.63 : x - Step 2: Convert to fraction form
269/403.50 = 76.63/x - Step 3: Cross multiply
269x = 403.50 × 76.63 - Step 4: Simplify right side
269x = 30,918.19 - Step 5: Solve for x
x = 30,918.19/269 - Step 6: Final answer
x = 114.94
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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.