Finding the Fourth Proportional to 321.84, 444.26 and 197.52
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Solution
The fourth proportional to 321.84, 444.26 and 197.52 is: 272.65
Step by Step Solution
- Step 1: Write the proportion equation
321.84 : 444.26 = 197.52 : x - Step 2: Convert to fraction form
321.84/444.26 = 197.52/x - Step 3: Cross multiply
321.84x = 444.26 × 197.52 - Step 4: Simplify right side
321.84x = 87,750.24 - Step 5: Solve for x
x = 87,750.24/321.84 - Step 6: Final answer
x = 272.65
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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.