Finding the Fourth Proportional to 163.99, 226.34 and 94.07
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Solution
The fourth proportional to 163.99, 226.34 and 94.07 is: 129.83
Step by Step Solution
- Step 1: Write the proportion equation
163.99 : 226.34 = 94.07 : x - Step 2: Convert to fraction form
163.99/226.34 = 94.07/x - Step 3: Cross multiply
163.99x = 226.34 × 94.07 - Step 4: Simplify right side
163.99x = 21,290.67 - Step 5: Solve for x
x = 21,290.67/163.99 - Step 6: Final answer
x = 129.83
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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.