Finding the Fourth Proportional to 395.74, 546.08 and 229.97
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Solution
The fourth proportional to 395.74, 546.08 and 229.97 is: 317.33
Step by Step Solution
- Step 1: Write the proportion equation
395.74 : 546.08 = 229.97 : x - Step 2: Convert to fraction form
395.74/546.08 = 229.97/x - Step 3: Cross multiply
395.74x = 546.08 × 229.97 - Step 4: Simplify right side
395.74x = 125,578.14 - Step 5: Solve for x
x = 125,578.14/395.74 - Step 6: Final answer
x = 317.33
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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.