Finding the Fourth Proportional to 173.09, 238.74 and 110.99
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Solution
The fourth proportional to 173.09, 238.74 and 110.99 is: 153.08
Step by Step Solution
- Step 1: Write the proportion equation
173.09 : 238.74 = 110.99 : x - Step 2: Convert to fraction form
173.09/238.74 = 110.99/x - Step 3: Cross multiply
173.09x = 238.74 × 110.99 - Step 4: Simplify right side
173.09x = 26,496.56 - Step 5: Solve for x
x = 26,496.56/173.09 - Step 6: Final answer
x = 153.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.