Finding the Fourth Proportional to 305.26, 421.24 and 181
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Solution
The fourth proportional to 305.26, 421.24 and 181 is: 249.77
Step by Step Solution
- Step 1: Write the proportion equation
305.26 : 421.24 = 181 : x - Step 2: Convert to fraction form
305.26/421.24 = 181/x - Step 3: Cross multiply
305.26x = 421.24 × 181 - Step 4: Simplify right side
305.26x = 76,244.44 - Step 5: Solve for x
x = 76,244.44/305.26 - Step 6: Final answer
x = 249.77
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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.