Finding the Fourth Proportional to 476, 714 and 134
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Solution
The fourth proportional to 476, 714 and 134 is: 201
Step by Step Solution
- Step 1: Write the proportion equation
476 : 714 = 134 : x - Step 2: Convert to fraction form
476/714 = 134/x - Step 3: Cross multiply
476x = 714 × 134 - Step 4: Simplify right side
476x = 95,676 - Step 5: Solve for x
x = 95,676/476 - Step 6: Final answer
x = 201
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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.