Finding the Fourth Proportional to 226.99, 313.08 and 161.53
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Solution
The fourth proportional to 226.99, 313.08 and 161.53 is: 222.79
Step by Step Solution
- Step 1: Write the proportion equation
226.99 : 313.08 = 161.53 : x - Step 2: Convert to fraction form
226.99/313.08 = 161.53/x - Step 3: Cross multiply
226.99x = 313.08 × 161.53 - Step 4: Simplify right side
226.99x = 50,571.81 - Step 5: Solve for x
x = 50,571.81/226.99 - Step 6: Final answer
x = 222.79
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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.