Finding the Fourth Proportional to 374.44, 516.66 and 216.99
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Solution
The fourth proportional to 374.44, 516.66 and 216.99 is: 299.41
Step by Step Solution
- Step 1: Write the proportion equation
374.44 : 516.66 = 216.99 : x - Step 2: Convert to fraction form
374.44/516.66 = 216.99/x - Step 3: Cross multiply
374.44x = 516.66 × 216.99 - Step 4: Simplify right side
374.44x = 112,110.05 - Step 5: Solve for x
x = 112,110.05/374.44 - Step 6: Final answer
x = 299.41
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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.