Finding the Fourth Proportional to 292.75, 403.99 and 159.97
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Solution
The fourth proportional to 292.75, 403.99 and 159.97 is: 220.76
Step by Step Solution
- Step 1: Write the proportion equation
292.75 : 403.99 = 159.97 : x - Step 2: Convert to fraction form
292.75/403.99 = 159.97/x - Step 3: Cross multiply
292.75x = 403.99 × 159.97 - Step 4: Simplify right side
292.75x = 64,626.28 - Step 5: Solve for x
x = 64,626.28/292.75 - Step 6: Final answer
x = 220.76
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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.