Finding the Fourth Proportional to 374.63, 516.99 and 227.28
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Solution
The fourth proportional to 374.63, 516.99 and 227.28 is: 313.65
Step by Step Solution
- Step 1: Write the proportion equation
374.63 : 516.99 = 227.28 : x - Step 2: Convert to fraction form
374.63/516.99 = 227.28/x - Step 3: Cross multiply
374.63x = 516.99 × 227.28 - Step 4: Simplify right side
374.63x = 117,501.49 - Step 5: Solve for x
x = 117,501.49/374.63 - Step 6: Final answer
x = 313.65
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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.