Finding the Fourth Proportional to 163.19, 244.79 and 67
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Solution
The fourth proportional to 163.19, 244.79 and 67 is: 100.50
Step by Step Solution
- Step 1: Write the proportion equation
163.19 : 244.79 = 67 : x - Step 2: Convert to fraction form
163.19/244.79 = 67/x - Step 3: Cross multiply
163.19x = 244.79 × 67 - Step 4: Simplify right side
163.19x = 16,400.93 - Step 5: Solve for x
x = 16,400.93/163.19 - Step 6: Final answer
x = 100.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.