Finding the Fourth Proportional to 438.19, 604.62 and 327.92
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Solution
The fourth proportional to 438.19, 604.62 and 327.92 is: 452.47
Step by Step Solution
- Step 1: Write the proportion equation
438.19 : 604.62 = 327.92 : x - Step 2: Convert to fraction form
438.19/604.62 = 327.92/x - Step 3: Cross multiply
438.19x = 604.62 × 327.92 - Step 4: Simplify right side
438.19x = 198,266.99 - Step 5: Solve for x
x = 198,266.99/438.19 - Step 6: Final answer
x = 452.47
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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.