Finding the Fourth Proportional to 825.27, 1,236.99 and 550.99
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Solution
The fourth proportional to 825.27, 1,236.99 and 550.99 is: 825.87
Step by Step Solution
- Step 1: Write the proportion equation
825.27 : 1,236.99 = 550.99 : x - Step 2: Convert to fraction form
825.27/1,236.99 = 550.99/x - Step 3: Cross multiply
825.27x = 1,236.99 × 550.99 - Step 4: Simplify right side
825.27x = 681,569.12 - Step 5: Solve for x
x = 681,569.12/825.27 - Step 6: Final answer
x = 825.87
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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.