Finding the Fourth Proportional to 113.70, 170.52 and 36.67
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Solution
The fourth proportional to 113.70, 170.52 and 36.67 is: 54.99
Step by Step Solution
- Step 1: Write the proportion equation
113.70 : 170.52 = 36.67 : x - Step 2: Convert to fraction form
113.70/170.52 = 36.67/x - Step 3: Cross multiply
113.70x = 170.52 × 36.67 - Step 4: Simplify right side
113.70x = 6,252.63 - Step 5: Solve for x
x = 6,252.63/113.70 - Step 6: Final answer
x = 54.99
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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.