Finding the Fourth Proportional to 200.05, 300.00 and 70.01
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Solution
The fourth proportional to 200.05, 300.00 and 70.01 is: 104.99
Step by Step Solution
- Step 1: Write the proportion equation
200.05 : 300.00 = 70.01 : x - Step 2: Convert to fraction form
200.05/300.00 = 70.01/x - Step 3: Cross multiply
200.05x = 300.00 × 70.01 - Step 4: Simplify right side
200.05x = 21,003.43 - Step 5: Solve for x
x = 21,003.43/200.05 - Step 6: Final answer
x = 104.99
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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.