Finding the Fourth Proportional to 163.88, 246.26 and 153.50
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Solution
The fourth proportional to 163.88, 246.26 and 153.50 is: 230.66
Step by Step Solution
- Step 1: Write the proportion equation
163.88 : 246.26 = 153.50 : x - Step 2: Convert to fraction form
163.88/246.26 = 153.50/x - Step 3: Cross multiply
163.88x = 246.26 × 153.50 - Step 4: Simplify right side
163.88x = 37,800.91 - Step 5: Solve for x
x = 37,800.91/163.88 - Step 6: Final answer
x = 230.66
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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.