Finding the Fourth Proportional to 304, 456 and 174
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Solution
The fourth proportional to 304, 456 and 174 is: 261
Step by Step Solution
- Step 1: Write the proportion equation
304 : 456 = 174 : x - Step 2: Convert to fraction form
304/456 = 174/x - Step 3: Cross multiply
304x = 456 × 174 - Step 4: Simplify right side
304x = 79,344 - Step 5: Solve for x
x = 79,344/304 - Step 6: Final answer
x = 261
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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.