Finding the Fourth Proportional to 361.26, 542.43 and 361.26
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Solution
The fourth proportional to 361.26, 542.43 and 361.26 is: 542.43
Step by Step Solution
- Step 1: Write the proportion equation
361.26 : 542.43 = 361.26 : x - Step 2: Convert to fraction form
361.26/542.43 = 361.26/x - Step 3: Cross multiply
361.26x = 542.43 × 361.26 - Step 4: Simplify right side
361.26x = 195,958.26 - Step 5: Solve for x
x = 195,958.26/361.26 - Step 6: Final answer
x = 542.43
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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.