Finding the Fourth Proportional to 400.17, 600.26 and 107.70
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Solution
The fourth proportional to 400.17, 600.26 and 107.70 is: 161.55
Step by Step Solution
- Step 1: Write the proportion equation
400.17 : 600.26 = 107.70 : x - Step 2: Convert to fraction form
400.17/600.26 = 107.70/x - Step 3: Cross multiply
400.17x = 600.26 × 107.70 - Step 4: Simplify right side
400.17x = 64,647.46 - Step 5: Solve for x
x = 64,647.46/400.17 - Step 6: Final answer
x = 161.55
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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.