Finding the Fourth Proportional to 173.21, 239.11 and 125.99
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Solution
The fourth proportional to 173.21, 239.11 and 125.99 is: 173.92
Step by Step Solution
- Step 1: Write the proportion equation
173.21 : 239.11 = 125.99 : x - Step 2: Convert to fraction form
173.21/239.11 = 125.99/x - Step 3: Cross multiply
173.21x = 239.11 × 125.99 - Step 4: Simplify right side
173.21x = 30,124.27 - Step 5: Solve for x
x = 30,124.27/173.21 - Step 6: Final answer
x = 173.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.