Finding the Fourth Proportional to 307.08, 460.08 and 163.08
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Solution
The fourth proportional to 307.08, 460.08 and 163.08 is: 244.33
Step by Step Solution
- Step 1: Write the proportion equation
307.08 : 460.08 = 163.08 : x - Step 2: Convert to fraction form
307.08/460.08 = 163.08/x - Step 3: Cross multiply
307.08x = 460.08 × 163.08 - Step 4: Simplify right side
307.08x = 75,029.85 - Step 5: Solve for x
x = 75,029.85/307.08 - Step 6: Final answer
x = 244.33
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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.