Finding the Fourth Proportional to 194.60, 291.84 and 133.58
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Solution
The fourth proportional to 194.60, 291.84 and 133.58 is: 200.33
Step by Step Solution
- Step 1: Write the proportion equation
194.60 : 291.84 = 133.58 : x - Step 2: Convert to fraction form
194.60/291.84 = 133.58/x - Step 3: Cross multiply
194.60x = 291.84 × 133.58 - Step 4: Simplify right side
194.60x = 38,983.99 - Step 5: Solve for x
x = 38,983.99/194.60 - Step 6: Final answer
x = 200.33
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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.