Finding the Fourth Proportional to 281.94, 422.99 and 119.73
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Solution
The fourth proportional to 281.94, 422.99 and 119.73 is: 179.63
Step by Step Solution
- Step 1: Write the proportion equation
281.94 : 422.99 = 119.73 : x - Step 2: Convert to fraction form
281.94/422.99 = 119.73/x - Step 3: Cross multiply
281.94x = 422.99 × 119.73 - Step 4: Simplify right side
281.94x = 50,643.99 - Step 5: Solve for x
x = 50,643.99/281.94 - Step 6: Final answer
x = 179.63
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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.