Finding the Fourth Proportional to 203.33, 280.61 and 115.99
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Solution
The fourth proportional to 203.33, 280.61 and 115.99 is: 160.07
Step by Step Solution
- Step 1: Write the proportion equation
203.33 : 280.61 = 115.99 : x - Step 2: Convert to fraction form
203.33/280.61 = 115.99/x - Step 3: Cross multiply
203.33x = 280.61 × 115.99 - Step 4: Simplify right side
203.33x = 32,546.67 - Step 5: Solve for x
x = 32,546.67/203.33 - Step 6: Final answer
x = 160.07
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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.