Finding the Fourth Proportional to 843.48, 1,163.58 and 567
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Solution
The fourth proportional to 843.48, 1,163.58 and 567 is: 782.18
Step by Step Solution
- Step 1: Write the proportion equation
843.48 : 1,163.58 = 567 : x - Step 2: Convert to fraction form
843.48/1,163.58 = 567/x - Step 3: Cross multiply
843.48x = 1,163.58 × 567 - Step 4: Simplify right side
843.48x = 659,749.86 - Step 5: Solve for x
x = 659,749.86/843.48 - Step 6: Final answer
x = 782.18
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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.