Finding the Fourth Proportional to 843.24, 1,163.79 and 511.68
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Solution
The fourth proportional to 843.24, 1,163.79 and 511.68 is: 706.19
Step by Step Solution
- Step 1: Write the proportion equation
843.24 : 1,163.79 = 511.68 : x - Step 2: Convert to fraction form
843.24/1,163.79 = 511.68/x - Step 3: Cross multiply
843.24x = 1,163.79 × 511.68 - Step 4: Simplify right side
843.24x = 595,488.07 - Step 5: Solve for x
x = 595,488.07/843.24 - Step 6: Final answer
x = 706.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.