Finding the Fourth Proportional to 418.44, 627.75 and 174.99
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Solution
The fourth proportional to 418.44, 627.75 and 174.99 is: 262.52
Step by Step Solution
- Step 1: Write the proportion equation
418.44 : 627.75 = 174.99 : x - Step 2: Convert to fraction form
418.44/627.75 = 174.99/x - Step 3: Cross multiply
418.44x = 627.75 × 174.99 - Step 4: Simplify right side
418.44x = 109,849.97 - Step 5: Solve for x
x = 109,849.97/418.44 - Step 6: Final answer
x = 262.52
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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.