Finding the Fourth Proportional to 117, 175.50 and 41
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Solution
The fourth proportional to 117, 175.50 and 41 is: 61.50
Step by Step Solution
- Step 1: Write the proportion equation
117 : 175.50 = 41 : x - Step 2: Convert to fraction form
117/175.50 = 41/x - Step 3: Cross multiply
117x = 175.50 × 41 - Step 4: Simplify right side
117x = 7,195.50 - Step 5: Solve for x
x = 7,195.50/117 - Step 6: Final answer
x = 61.50
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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.