Finding the Fourth Proportional to 361.26, 497.79 and 277.74
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Solution
The fourth proportional to 361.26, 497.79 and 277.74 is: 382.71
Step by Step Solution
- Step 1: Write the proportion equation
361.26 : 497.79 = 277.74 : x - Step 2: Convert to fraction form
361.26/497.79 = 277.74/x - Step 3: Cross multiply
361.26x = 497.79 × 277.74 - Step 4: Simplify right side
361.26x = 138,256.19 - Step 5: Solve for x
x = 138,256.19/361.26 - Step 6: Final answer
x = 382.71
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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.