Finding the Fourth Proportional to 936.08, 1,403.96 and 252.08
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Solution
The fourth proportional to 936.08, 1,403.96 and 252.08 is: 378.08
Step by Step Solution
- Step 1: Write the proportion equation
936.08 : 1,403.96 = 252.08 : x - Step 2: Convert to fraction form
936.08/1,403.96 = 252.08/x - Step 3: Cross multiply
936.08x = 1,403.96 × 252.08 - Step 4: Simplify right side
936.08x = 353,910.24 - Step 5: Solve for x
x = 353,910.24/936.08 - Step 6: Final answer
x = 378.08
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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.