Finding the Fourth Proportional to 141.23, 211.77 and 44.99
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Solution
The fourth proportional to 141.23, 211.77 and 44.99 is: 67.46
Step by Step Solution
- Step 1: Write the proportion equation
141.23 : 211.77 = 44.99 : x - Step 2: Convert to fraction form
141.23/211.77 = 44.99/x - Step 3: Cross multiply
141.23x = 211.77 × 44.99 - Step 4: Simplify right side
141.23x = 9,527.53 - Step 5: Solve for x
x = 9,527.53/141.23 - Step 6: Final answer
x = 67.46
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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.