Finding the Fourth Proportional to 801.09, 1,201.43 and 252.99
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Solution
The fourth proportional to 801.09, 1,201.43 and 252.99 is: 379.42
Step by Step Solution
- Step 1: Write the proportion equation
801.09 : 1,201.43 = 252.99 : x - Step 2: Convert to fraction form
801.09/1,201.43 = 252.99/x - Step 3: Cross multiply
801.09x = 1,201.43 × 252.99 - Step 4: Simplify right side
801.09x = 303,950.41 - Step 5: Solve for x
x = 303,950.41/801.09 - Step 6: Final answer
x = 379.42
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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.