Finding the Fourth Proportional to 283.81, 425.34 and 205.99
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Solution
The fourth proportional to 283.81, 425.34 and 205.99 is: 308.71
Step by Step Solution
- Step 1: Write the proportion equation
283.81 : 425.34 = 205.99 : x - Step 2: Convert to fraction form
283.81/425.34 = 205.99/x - Step 3: Cross multiply
283.81x = 425.34 × 205.99 - Step 4: Simplify right side
283.81x = 87,615.79 - Step 5: Solve for x
x = 87,615.79/283.81 - Step 6: Final answer
x = 308.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.