Finding the Fourth Proportional to 151.10, 226.79 and 69.99
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Solution
The fourth proportional to 151.10, 226.79 and 69.99 is: 105.05
Step by Step Solution
- Step 1: Write the proportion equation
151.10 : 226.79 = 69.99 : x - Step 2: Convert to fraction form
151.10/226.79 = 69.99/x - Step 3: Cross multiply
151.10x = 226.79 × 69.99 - Step 4: Simplify right side
151.10x = 15,872.68 - Step 5: Solve for x
x = 15,872.68/151.10 - Step 6: Final answer
x = 105.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.