Finding the Fourth Proportional to 361.78, 499.26 and 195.99
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Solution
The fourth proportional to 361.78, 499.26 and 195.99 is: 270.47
Step by Step Solution
- Step 1: Write the proportion equation
361.78 : 499.26 = 195.99 : x - Step 2: Convert to fraction form
361.78/499.26 = 195.99/x - Step 3: Cross multiply
361.78x = 499.26 × 195.99 - Step 4: Simplify right side
361.78x = 97,849.28 - Step 5: Solve for x
x = 97,849.28/361.78 - Step 6: Final answer
x = 270.47
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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.