Finding the Fourth Proportional to 303.69, 418.99 and 170.92
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Solution
The fourth proportional to 303.69, 418.99 and 170.92 is: 235.81
Step by Step Solution
- Step 1: Write the proportion equation
303.69 : 418.99 = 170.92 : x - Step 2: Convert to fraction form
303.69/418.99 = 170.92/x - Step 3: Cross multiply
303.69x = 418.99 × 170.92 - Step 4: Simplify right side
303.69x = 71,613.77 - Step 5: Solve for x
x = 71,613.77/303.69 - Step 6: Final answer
x = 235.81
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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.