Finding the Fourth Proportional to 202.99, 304.63 and 134.49
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Solution
The fourth proportional to 202.99, 304.63 and 134.49 is: 201.83
Step by Step Solution
- Step 1: Write the proportion equation
202.99 : 304.63 = 134.49 : x - Step 2: Convert to fraction form
202.99/304.63 = 134.49/x - Step 3: Cross multiply
202.99x = 304.63 × 134.49 - Step 4: Simplify right side
202.99x = 40,969.69 - Step 5: Solve for x
x = 40,969.69/202.99 - Step 6: Final answer
x = 201.83
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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.