Finding the Fourth Proportional to 616.14, 850.26 and 340.14
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Solution
The fourth proportional to 616.14, 850.26 and 340.14 is: 469.39
Step by Step Solution
- Step 1: Write the proportion equation
616.14 : 850.26 = 340.14 : x - Step 2: Convert to fraction form
616.14/850.26 = 340.14/x - Step 3: Cross multiply
616.14x = 850.26 × 340.14 - Step 4: Simplify right side
616.14x = 289,207.44 - Step 5: Solve for x
x = 289,207.44/616.14 - Step 6: Final answer
x = 469.39
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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.