Finding the Fourth Proportional to 137.44, 206.18 and 41.26
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Solution
The fourth proportional to 137.44, 206.18 and 41.26 is: 61.90
Step by Step Solution
- Step 1: Write the proportion equation
137.44 : 206.18 = 41.26 : x - Step 2: Convert to fraction form
137.44/206.18 = 41.26/x - Step 3: Cross multiply
137.44x = 206.18 × 41.26 - Step 4: Simplify right side
137.44x = 8,506.99 - Step 5: Solve for x
x = 8,506.99/137.44 - Step 6: Final answer
x = 61.90
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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.