Finding the Fourth Proportional to 307.44, 461.03 and 163.26
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Solution
The fourth proportional to 307.44, 461.03 and 163.26 is: 244.82
Step by Step Solution
- Step 1: Write the proportion equation
307.44 : 461.03 = 163.26 : x - Step 2: Convert to fraction form
307.44/461.03 = 163.26/x - Step 3: Cross multiply
307.44x = 461.03 × 163.26 - Step 4: Simplify right side
307.44x = 75,266.94 - Step 5: Solve for x
x = 75,266.94/307.44 - Step 6: Final answer
x = 244.82
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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.