Finding the Fourth Proportional to 173.12, 259.84 and 140.99
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Solution
The fourth proportional to 173.12, 259.84 and 140.99 is: 211.61
Step by Step Solution
- Step 1: Write the proportion equation
173.12 : 259.84 = 140.99 : x - Step 2: Convert to fraction form
173.12/259.84 = 140.99/x - Step 3: Cross multiply
173.12x = 259.84 × 140.99 - Step 4: Simplify right side
173.12x = 36,633.19 - Step 5: Solve for x
x = 36,633.19/173.12 - Step 6: Final answer
x = 211.61
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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.