Finding the Fourth Proportional to 396.10, 594.08 and 107.54
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Solution
The fourth proportional to 396.10, 594.08 and 107.54 is: 161.28
Step by Step Solution
- Step 1: Write the proportion equation
396.10 : 594.08 = 107.54 : x - Step 2: Convert to fraction form
396.10/594.08 = 107.54/x - Step 3: Cross multiply
396.10x = 594.08 × 107.54 - Step 4: Simplify right side
396.10x = 63,884.26 - Step 5: Solve for x
x = 63,884.26/396.10 - Step 6: Final answer
x = 161.28
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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.