Finding the Fourth Proportional to 543.68, 750.32 and 378.44
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Solution
The fourth proportional to 543.68, 750.32 and 378.44 is: 522.28
Step by Step Solution
- Step 1: Write the proportion equation
543.68 : 750.32 = 378.44 : x - Step 2: Convert to fraction form
543.68/750.32 = 378.44/x - Step 3: Cross multiply
543.68x = 750.32 × 378.44 - Step 4: Simplify right side
543.68x = 283,951.10 - Step 5: Solve for x
x = 283,951.10/543.68 - Step 6: Final answer
x = 522.28
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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.