Finding the Fourth Proportional to 195.74, 293.70 and 134.99
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Solution
The fourth proportional to 195.74, 293.70 and 134.99 is: 202.55
Step by Step Solution
- Step 1: Write the proportion equation
195.74 : 293.70 = 134.99 : x - Step 2: Convert to fraction form
195.74/293.70 = 134.99/x - Step 3: Cross multiply
195.74x = 293.70 × 134.99 - Step 4: Simplify right side
195.74x = 39,646.56 - Step 5: Solve for x
x = 39,646.56/195.74 - Step 6: Final answer
x = 202.55
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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.