Finding the Fourth Proportional to 193.66, 290.97 and 170.62
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Solution
The fourth proportional to 193.66, 290.97 and 170.62 is: 256.35
Step by Step Solution
- Step 1: Write the proportion equation
193.66 : 290.97 = 170.62 : x - Step 2: Convert to fraction form
193.66/290.97 = 170.62/x - Step 3: Cross multiply
193.66x = 290.97 × 170.62 - Step 4: Simplify right side
193.66x = 49,645.30 - Step 5: Solve for x
x = 49,645.30/193.66 - Step 6: Final answer
x = 256.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.