Finding the Fourth Proportional to 378.60, 522.26 and 240.68
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Solution
The fourth proportional to 378.60, 522.26 and 240.68 is: 332.01
Step by Step Solution
- Step 1: Write the proportion equation
378.60 : 522.26 = 240.68 : x - Step 2: Convert to fraction form
378.60/522.26 = 240.68/x - Step 3: Cross multiply
378.60x = 522.26 × 240.68 - Step 4: Simplify right side
378.60x = 125,697.54 - Step 5: Solve for x
x = 125,697.54/378.60 - Step 6: Final answer
x = 332.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.