Finding the Fourth Proportional to 108.93, 163.26 and 40.38
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Solution
The fourth proportional to 108.93, 163.26 and 40.38 is: 60.52
Step by Step Solution
- Step 1: Write the proportion equation
108.93 : 163.26 = 40.38 : x - Step 2: Convert to fraction form
108.93/163.26 = 40.38/x - Step 3: Cross multiply
108.93x = 163.26 × 40.38 - Step 4: Simplify right side
108.93x = 6,592.44 - Step 5: Solve for x
x = 6,592.44/108.93 - Step 6: Final answer
x = 60.52
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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.