Finding the Fourth Proportional to 414.48, 571.98 and 227.99
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Solution
The fourth proportional to 414.48, 571.98 and 227.99 is: 314.62
Step by Step Solution
- Step 1: Write the proportion equation
414.48 : 571.98 = 227.99 : x - Step 2: Convert to fraction form
414.48/571.98 = 227.99/x - Step 3: Cross multiply
414.48x = 571.98 × 227.99 - Step 4: Simplify right side
414.48x = 130,405.72 - Step 5: Solve for x
x = 130,405.72/414.48 - Step 6: Final answer
x = 314.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.