Finding the Fourth Proportional to 324.70, 447.94 and 193.63
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Solution
The fourth proportional to 324.70, 447.94 and 193.63 is: 267.12
Step by Step Solution
- Step 1: Write the proportion equation
324.70 : 447.94 = 193.63 : x - Step 2: Convert to fraction form
324.70/447.94 = 193.63/x - Step 3: Cross multiply
324.70x = 447.94 × 193.63 - Step 4: Simplify right side
324.70x = 86,734.62 - Step 5: Solve for x
x = 86,734.62/324.70 - Step 6: Final answer
x = 267.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.