Finding the Fourth Proportional to 170.07, 254.94 and 161.99
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Solution
The fourth proportional to 170.07, 254.94 and 161.99 is: 242.83
Step by Step Solution
- Step 1: Write the proportion equation
170.07 : 254.94 = 161.99 : x - Step 2: Convert to fraction form
170.07/254.94 = 161.99/x - Step 3: Cross multiply
170.07x = 254.94 × 161.99 - Step 4: Simplify right side
170.07x = 41,296.80 - Step 5: Solve for x
x = 41,296.80/170.07 - Step 6: Final answer
x = 242.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.