Finding the Fourth Proportional to 225.99, 311.99 and 163.75
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Solution
The fourth proportional to 225.99, 311.99 and 163.75 is: 226.06
Step by Step Solution
- Step 1: Write the proportion equation
225.99 : 311.99 = 163.75 : x - Step 2: Convert to fraction form
225.99/311.99 = 163.75/x - Step 3: Cross multiply
225.99x = 311.99 × 163.75 - Step 4: Simplify right side
225.99x = 51,088.36 - Step 5: Solve for x
x = 51,088.36/225.99 - Step 6: Final answer
x = 226.06
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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.