Finding the Fourth Proportional to 344.66, 516.99 and 84.66
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Solution
The fourth proportional to 344.66, 516.99 and 84.66 is: 127.00
Step by Step Solution
- Step 1: Write the proportion equation
344.66 : 516.99 = 84.66 : x - Step 2: Convert to fraction form
344.66/516.99 = 84.66/x - Step 3: Cross multiply
344.66x = 516.99 × 84.66 - Step 4: Simplify right side
344.66x = 43,770.63 - Step 5: Solve for x
x = 43,770.63/344.66 - Step 6: Final answer
x = 127.00
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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.