Finding the Fourth Proportional to 203.70, 307.30 and 201.26
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Solution
The fourth proportional to 203.70, 307.30 and 201.26 is: 303.62
Step by Step Solution
- Step 1: Write the proportion equation
203.70 : 307.30 = 201.26 : x - Step 2: Convert to fraction form
203.70/307.30 = 201.26/x - Step 3: Cross multiply
203.70x = 307.30 × 201.26 - Step 4: Simplify right side
203.70x = 61,847.20 - Step 5: Solve for x
x = 61,847.20/203.70 - Step 6: Final answer
x = 303.62
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.