Finding the Fourth Proportional to 195.93, 293.78 and 135.09
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Solution
The fourth proportional to 195.93, 293.78 and 135.09 is: 202.56
Step by Step Solution
- Step 1: Write the proportion equation
195.93 : 293.78 = 135.09 : x - Step 2: Convert to fraction form
195.93/293.78 = 135.09/x - Step 3: Cross multiply
195.93x = 293.78 × 135.09 - Step 4: Simplify right side
195.93x = 39,687.08 - Step 5: Solve for x
x = 39,687.08/195.93 - Step 6: Final answer
x = 202.56
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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.