Finding the Fourth Proportional to 307.44, 461.17 and 133.99
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Solution
The fourth proportional to 307.44, 461.17 and 133.99 is: 200.98
Step by Step Solution
- Step 1: Write the proportion equation
307.44 : 461.17 = 133.99 : x - Step 2: Convert to fraction form
307.44/461.17 = 133.99/x - Step 3: Cross multiply
307.44x = 461.17 × 133.99 - Step 4: Simplify right side
307.44x = 61,790.68 - Step 5: Solve for x
x = 61,790.68/307.44 - Step 6: Final answer
x = 200.98
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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.