Finding the Fourth Proportional to 272.26, 375.71 and 161.74
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Solution
The fourth proportional to 272.26, 375.71 and 161.74 is: 223.19
Step by Step Solution
- Step 1: Write the proportion equation
272.26 : 375.71 = 161.74 : x - Step 2: Convert to fraction form
272.26/375.71 = 161.74/x - Step 3: Cross multiply
272.26x = 375.71 × 161.74 - Step 4: Simplify right side
272.26x = 60,765.99 - Step 5: Solve for x
x = 60,765.99/272.26 - Step 6: Final answer
x = 223.19
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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.