Finding the Fourth Proportional to 205.18, 282.87 and 170.08
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Solution
The fourth proportional to 205.18, 282.87 and 170.08 is: 234.48
Step by Step Solution
- Step 1: Write the proportion equation
205.18 : 282.87 = 170.08 : x - Step 2: Convert to fraction form
205.18/282.87 = 170.08/x - Step 3: Cross multiply
205.18x = 282.87 × 170.08 - Step 4: Simplify right side
205.18x = 48,110.53 - Step 5: Solve for x
x = 48,110.53/205.18 - Step 6: Final answer
x = 234.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.