Finding the Fourth Proportional to 326.97, 450.97 and 202.70
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Solution
The fourth proportional to 326.97, 450.97 and 202.70 is: 279.57
Step by Step Solution
- Step 1: Write the proportion equation
326.97 : 450.97 = 202.70 : x - Step 2: Convert to fraction form
326.97/450.97 = 202.70/x - Step 3: Cross multiply
326.97x = 450.97 × 202.70 - Step 4: Simplify right side
326.97x = 91,412.24 - Step 5: Solve for x
x = 91,412.24/326.97 - Step 6: Final answer
x = 279.57
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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.