Finding the Fourth Proportional to 235.70, 324.97 and 170.18
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Solution
The fourth proportional to 235.70, 324.97 and 170.18 is: 234.63
Step by Step Solution
- Step 1: Write the proportion equation
235.70 : 324.97 = 170.18 : x - Step 2: Convert to fraction form
235.70/324.97 = 170.18/x - Step 3: Cross multiply
235.70x = 324.97 × 170.18 - Step 4: Simplify right side
235.70x = 55,301.34 - Step 5: Solve for x
x = 55,301.34/235.70 - Step 6: Final answer
x = 234.63
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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.