Finding the Fourth Proportional to 194.93, 291.74 and 149.02
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Solution
The fourth proportional to 194.93, 291.74 and 149.02 is: 223.02
Step by Step Solution
- Step 1: Write the proportion equation
194.93 : 291.74 = 149.02 : x - Step 2: Convert to fraction form
194.93/291.74 = 149.02/x - Step 3: Cross multiply
194.93x = 291.74 × 149.02 - Step 4: Simplify right side
194.93x = 43,473.62 - Step 5: Solve for x
x = 43,473.62/194.93 - Step 6: Final answer
x = 223.02
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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.