Finding the Fourth Proportional to 396.62, 546.98 and 249.26
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Solution
The fourth proportional to 396.62, 546.98 and 249.26 is: 343.76
Step by Step Solution
- Step 1: Write the proportion equation
396.62 : 546.98 = 249.26 : x - Step 2: Convert to fraction form
396.62/546.98 = 249.26/x - Step 3: Cross multiply
396.62x = 546.98 × 249.26 - Step 4: Simplify right side
396.62x = 136,340.23 - Step 5: Solve for x
x = 136,340.23/396.62 - Step 6: Final answer
x = 343.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.