Finding the Fourth Proportional to 284.97, 426.97 and 193.74
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Solution
The fourth proportional to 284.97, 426.97 and 193.74 is: 290.29
Step by Step Solution
- Step 1: Write the proportion equation
284.97 : 426.97 = 193.74 : x - Step 2: Convert to fraction form
284.97/426.97 = 193.74/x - Step 3: Cross multiply
284.97x = 426.97 × 193.74 - Step 4: Simplify right side
284.97x = 82,722.21 - Step 5: Solve for x
x = 82,722.21/284.97 - Step 6: Final answer
x = 290.29
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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.