Finding the Fourth Proportional to 361.99, 499.62 and 230.97
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Solution
The fourth proportional to 361.99, 499.62 and 230.97 is: 318.79
Step by Step Solution
- Step 1: Write the proportion equation
361.99 : 499.62 = 230.97 : x - Step 2: Convert to fraction form
361.99/499.62 = 230.97/x - Step 3: Cross multiply
361.99x = 499.62 × 230.97 - Step 4: Simplify right side
361.99x = 115,397.23 - Step 5: Solve for x
x = 115,397.23/361.99 - Step 6: Final answer
x = 318.79
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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.