Finding the Fourth Proportional to 341.39, 471.05 and 193.99
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Solution
The fourth proportional to 341.39, 471.05 and 193.99 is: 267.66
Step by Step Solution
- Step 1: Write the proportion equation
341.39 : 471.05 = 193.99 : x - Step 2: Convert to fraction form
341.39/471.05 = 193.99/x - Step 3: Cross multiply
341.39x = 471.05 × 193.99 - Step 4: Simplify right side
341.39x = 91,376.63 - Step 5: Solve for x
x = 91,376.63/341.39 - Step 6: Final answer
x = 267.66
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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.