Finding the Fourth Proportional to 396.24, 594.62 and 203.88
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Solution
The fourth proportional to 396.24, 594.62 and 203.88 is: 305.95
Step by Step Solution
- Step 1: Write the proportion equation
396.24 : 594.62 = 203.88 : x - Step 2: Convert to fraction form
396.24/594.62 = 203.88/x - Step 3: Cross multiply
396.24x = 594.62 × 203.88 - Step 4: Simplify right side
396.24x = 121,231.13 - Step 5: Solve for x
x = 121,231.13/396.24 - Step 6: Final answer
x = 305.95
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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.