Finding the Fourth Proportional to 163.19, 244.79 and 149.02
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Solution
The fourth proportional to 163.19, 244.79 and 149.02 is: 223.53
Step by Step Solution
- Step 1: Write the proportion equation
163.19 : 244.79 = 149.02 : x - Step 2: Convert to fraction form
163.19/244.79 = 149.02/x - Step 3: Cross multiply
163.19x = 244.79 × 149.02 - Step 4: Simplify right side
163.19x = 36,478.61 - Step 5: Solve for x
x = 36,478.61/163.19 - Step 6: Final answer
x = 223.53
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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.