Finding the Fourth Proportional to 268.26, 402.56 and 97.26
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Solution
The fourth proportional to 268.26, 402.56 and 97.26 is: 145.95
Step by Step Solution
- Step 1: Write the proportion equation
268.26 : 402.56 = 97.26 : x - Step 2: Convert to fraction form
268.26/402.56 = 97.26/x - Step 3: Cross multiply
268.26x = 402.56 × 97.26 - Step 4: Simplify right side
268.26x = 39,152.99 - Step 5: Solve for x
x = 39,152.99/268.26 - Step 6: Final answer
x = 145.95
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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.