Finding the Fourth Proportional to 203.08, 304.36 and 130.96
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Solution
The fourth proportional to 203.08, 304.36 and 130.96 is: 196.27
Step by Step Solution
- Step 1: Write the proportion equation
203.08 : 304.36 = 130.96 : x - Step 2: Convert to fraction form
203.08/304.36 = 130.96/x - Step 3: Cross multiply
203.08x = 304.36 × 130.96 - Step 4: Simplify right side
203.08x = 39,858.99 - Step 5: Solve for x
x = 39,858.99/203.08 - Step 6: Final answer
x = 196.27
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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.