Finding the Fourth Proportional to 205.55, 283.19 and 170.37
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Solution
The fourth proportional to 205.55, 283.19 and 170.37 is: 234.72
Step by Step Solution
- Step 1: Write the proportion equation
205.55 : 283.19 = 170.37 : x - Step 2: Convert to fraction form
205.55/283.19 = 170.37/x - Step 3: Cross multiply
205.55x = 283.19 × 170.37 - Step 4: Simplify right side
205.55x = 48,246.23 - Step 5: Solve for x
x = 48,246.23/205.55 - Step 6: Final answer
x = 234.72
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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.