Finding the Fourth Proportional to 170.18, 255.06 and 97.68
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Solution
The fourth proportional to 170.18, 255.06 and 97.68 is: 146.40
Step by Step Solution
- Step 1: Write the proportion equation
170.18 : 255.06 = 97.68 : x - Step 2: Convert to fraction form
170.18/255.06 = 97.68/x - Step 3: Cross multiply
170.18x = 255.06 × 97.68 - Step 4: Simplify right side
170.18x = 24,914.26 - Step 5: Solve for x
x = 24,914.26/170.18 - Step 6: Final answer
x = 146.40
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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.