Finding the Fourth Proportional to 195.70, 293.55 and 73.99
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Solution
The fourth proportional to 195.70, 293.55 and 73.99 is: 110.99
Step by Step Solution
- Step 1: Write the proportion equation
195.70 : 293.55 = 73.99 : x - Step 2: Convert to fraction form
195.70/293.55 = 73.99/x - Step 3: Cross multiply
195.70x = 293.55 × 73.99 - Step 4: Simplify right side
195.70x = 21,719.76 - Step 5: Solve for x
x = 21,719.76/195.70 - Step 6: Final answer
x = 110.99
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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.