Finding the Fourth Proportional to 203.06, 304.26 and 144.99
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Solution
The fourth proportional to 203.06, 304.26 and 144.99 is: 217.25
Step by Step Solution
- Step 1: Write the proportion equation
203.06 : 304.26 = 144.99 : x - Step 2: Convert to fraction form
203.06/304.26 = 144.99/x - Step 3: Cross multiply
203.06x = 304.26 × 144.99 - Step 4: Simplify right side
203.06x = 44,114.66 - Step 5: Solve for x
x = 44,114.66/203.06 - Step 6: Final answer
x = 217.25
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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.