Finding the Fourth Proportional to 338, 507 and 110
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Solution
The fourth proportional to 338, 507 and 110 is: 165
Step by Step Solution
- Step 1: Write the proportion equation
338 : 507 = 110 : x - Step 2: Convert to fraction form
338/507 = 110/x - Step 3: Cross multiply
338x = 507 × 110 - Step 4: Simplify right side
338x = 55,770 - Step 5: Solve for x
x = 55,770/338 - Step 6: Final answer
x = 165
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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.