Finding the Fourth Proportional to 161.26, 241.88 and 47.26
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Solution
The fourth proportional to 161.26, 241.88 and 47.26 is: 70.89
Step by Step Solution
- Step 1: Write the proportion equation
161.26 : 241.88 = 47.26 : x - Step 2: Convert to fraction form
161.26/241.88 = 47.26/x - Step 3: Cross multiply
161.26x = 241.88 × 47.26 - Step 4: Simplify right side
161.26x = 11,431.25 - Step 5: Solve for x
x = 11,431.25/161.26 - Step 6: Final answer
x = 70.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.