Finding the Fourth Proportional to 268.92, 403.11 and 177.81
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Solution
The fourth proportional to 268.92, 403.11 and 177.81 is: 266.54
Step by Step Solution
- Step 1: Write the proportion equation
268.92 : 403.11 = 177.81 : x - Step 2: Convert to fraction form
268.92/403.11 = 177.81/x - Step 3: Cross multiply
268.92x = 403.11 × 177.81 - Step 4: Simplify right side
268.92x = 71,676.99 - Step 5: Solve for x
x = 71,676.99/268.92 - Step 6: Final answer
x = 266.54
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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.