Finding the Fourth Proportional to 236.30, 353.08 and 170.99
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Solution
The fourth proportional to 236.30, 353.08 and 170.99 is: 255.49
Step by Step Solution
- Step 1: Write the proportion equation
236.30 : 353.08 = 170.99 : x - Step 2: Convert to fraction form
236.30/353.08 = 170.99/x - Step 3: Cross multiply
236.30x = 353.08 × 170.99 - Step 4: Simplify right side
236.30x = 60,373.15 - Step 5: Solve for x
x = 60,373.15/236.30 - Step 6: Final answer
x = 255.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.