Finding the Fourth Proportional to 396.23, 593.84 and 187.99
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Solution
The fourth proportional to 396.23, 593.84 and 187.99 is: 281.75
Step by Step Solution
- Step 1: Write the proportion equation
396.23 : 593.84 = 187.99 : x - Step 2: Convert to fraction form
396.23/593.84 = 187.99/x - Step 3: Cross multiply
396.23x = 593.84 × 187.99 - Step 4: Simplify right side
396.23x = 111,636.88 - Step 5: Solve for x
x = 111,636.88/396.23 - Step 6: Final answer
x = 281.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.