Finding the Fourth Proportional to 378.22, 566.97 and 147.26
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Solution
The fourth proportional to 378.22, 566.97 and 147.26 is: 220.75
Step by Step Solution
- Step 1: Write the proportion equation
378.22 : 566.97 = 147.26 : x - Step 2: Convert to fraction form
378.22/566.97 = 147.26/x - Step 3: Cross multiply
378.22x = 566.97 × 147.26 - Step 4: Simplify right side
378.22x = 83,492.00 - Step 5: Solve for x
x = 83,492.00/378.22 - Step 6: Final answer
x = 220.75
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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.