Finding the Fourth Proportional to 283.99, 391.35 and 274
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Solution
The fourth proportional to 283.99, 391.35 and 274 is: 377.58
Step by Step Solution
- Step 1: Write the proportion equation
283.99 : 391.35 = 274 : x - Step 2: Convert to fraction form
283.99/391.35 = 274/x - Step 3: Cross multiply
283.99x = 391.35 × 274 - Step 4: Simplify right side
283.99x = 107,229.90 - Step 5: Solve for x
x = 107,229.90/283.99 - Step 6: Final answer
x = 377.58
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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.