Finding the Fourth Proportional to 173.11, 238.93 and 110.99
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Solution
The fourth proportional to 173.11, 238.93 and 110.99 is: 153.19
Step by Step Solution
- Step 1: Write the proportion equation
173.11 : 238.93 = 110.99 : x - Step 2: Convert to fraction form
173.11/238.93 = 110.99/x - Step 3: Cross multiply
173.11x = 238.93 × 110.99 - Step 4: Simplify right side
173.11x = 26,518.84 - Step 5: Solve for x
x = 26,518.84/173.11 - Step 6: Final answer
x = 153.19
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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.