Finding the Fourth Proportional to 378.24, 567.36 and 233.64
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Solution
The fourth proportional to 378.24, 567.36 and 233.64 is: 350.46
Step by Step Solution
- Step 1: Write the proportion equation
378.24 : 567.36 = 233.64 : x - Step 2: Convert to fraction form
378.24/567.36 = 233.64/x - Step 3: Cross multiply
378.24x = 567.36 × 233.64 - Step 4: Simplify right side
378.24x = 132,557.99 - Step 5: Solve for x
x = 132,557.99/378.24 - Step 6: Final answer
x = 350.46
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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.