Finding the Fourth Proportional to 194.44, 291.14 and 133.70
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Solution
The fourth proportional to 194.44, 291.14 and 133.70 is: 200.19
Step by Step Solution
- Step 1: Write the proportion equation
194.44 : 291.14 = 133.70 : x - Step 2: Convert to fraction form
194.44/291.14 = 133.70/x - Step 3: Cross multiply
194.44x = 291.14 × 133.70 - Step 4: Simplify right side
194.44x = 38,925.42 - Step 5: Solve for x
x = 38,925.42/194.44 - Step 6: Final answer
x = 200.19
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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.