Finding the Fourth Proportional to 361.18, 541.44 and 306.68
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Solution
The fourth proportional to 361.18, 541.44 and 306.68 is: 459.75
Step by Step Solution
- Step 1: Write the proportion equation
361.18 : 541.44 = 306.68 : x - Step 2: Convert to fraction form
361.18/541.44 = 306.68/x - Step 3: Cross multiply
361.18x = 541.44 × 306.68 - Step 4: Simplify right side
361.18x = 166,050.17 - Step 5: Solve for x
x = 166,050.17/361.18 - Step 6: Final answer
x = 459.75
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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.