Finding the Fourth Proportional to 235.18, 352.69 and 169.99
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Solution
The fourth proportional to 235.18, 352.69 and 169.99 is: 254.91
Step by Step Solution
- Step 1: Write the proportion equation
235.18 : 352.69 = 169.99 : x - Step 2: Convert to fraction form
235.18/352.69 = 169.99/x - Step 3: Cross multiply
235.18x = 352.69 × 169.99 - Step 4: Simplify right side
235.18x = 59,951.60 - Step 5: Solve for x
x = 59,951.60/235.18 - Step 6: Final answer
x = 254.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.