Finding the Fourth Proportional to 114.11, 170.63 and 84.88
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Solution
The fourth proportional to 114.11, 170.63 and 84.88 is: 126.92
Step by Step Solution
- Step 1: Write the proportion equation
114.11 : 170.63 = 84.88 : x - Step 2: Convert to fraction form
114.11/170.63 = 84.88/x - Step 3: Cross multiply
114.11x = 170.63 × 84.88 - Step 4: Simplify right side
114.11x = 14,482.22 - Step 5: Solve for x
x = 14,482.22/114.11 - Step 6: Final answer
x = 126.92
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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.