Finding the Fourth Proportional to 252.11, 377.66 and 149.09
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Solution
The fourth proportional to 252.11, 377.66 and 149.09 is: 223.34
Step by Step Solution
- Step 1: Write the proportion equation
252.11 : 377.66 = 149.09 : x - Step 2: Convert to fraction form
252.11/377.66 = 149.09/x - Step 3: Cross multiply
252.11x = 377.66 × 149.09 - Step 4: Simplify right side
252.11x = 56,305.94 - Step 5: Solve for x
x = 56,305.94/252.11 - Step 6: Final answer
x = 223.34
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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.