Finding the Fourth Proportional to 273.21, 377.19 and 203.19
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Solution
The fourth proportional to 273.21, 377.19 and 203.19 is: 280.52
Step by Step Solution
- Step 1: Write the proportion equation
273.21 : 377.19 = 203.19 : x - Step 2: Convert to fraction form
273.21/377.19 = 203.19/x - Step 3: Cross multiply
273.21x = 377.19 × 203.19 - Step 4: Simplify right side
273.21x = 76,640.58 - Step 5: Solve for x
x = 76,640.58/273.21 - Step 6: Final answer
x = 280.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.