Finding the Fourth Proportional to 226.97, 312.97 and 221.95
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Solution
The fourth proportional to 226.97, 312.97 and 221.95 is: 306.04
Step by Step Solution
- Step 1: Write the proportion equation
226.97 : 312.97 = 221.95 : x - Step 2: Convert to fraction form
226.97/312.97 = 221.95/x - Step 3: Cross multiply
226.97x = 312.97 × 221.95 - Step 4: Simplify right side
226.97x = 69,461.02 - Step 5: Solve for x
x = 69,461.02/226.97 - Step 6: Final answer
x = 306.04
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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.