Finding the Fourth Proportional to 396.20, 594.21 and 201.08
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Solution
The fourth proportional to 396.20, 594.21 and 201.08 is: 301.57
Step by Step Solution
- Step 1: Write the proportion equation
396.20 : 594.21 = 201.08 : x - Step 2: Convert to fraction form
396.20/594.21 = 201.08/x - Step 3: Cross multiply
396.20x = 594.21 × 201.08 - Step 4: Simplify right side
396.20x = 119,483.75 - Step 5: Solve for x
x = 119,483.75/396.20 - Step 6: Final answer
x = 301.57
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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.