Finding the Fourth Proportional to 378.14, 567.36 and 195.62
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Solution
The fourth proportional to 378.14, 567.36 and 195.62 is: 293.51
Step by Step Solution
- Step 1: Write the proportion equation
378.14 : 567.36 = 195.62 : x - Step 2: Convert to fraction form
378.14/567.36 = 195.62/x - Step 3: Cross multiply
378.14x = 567.36 × 195.62 - Step 4: Simplify right side
378.14x = 110,986.96 - Step 5: Solve for x
x = 110,986.96/378.14 - Step 6: Final answer
x = 293.51
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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.