Finding the Fourth Proportional to 350.31, 525.11 and 144.99
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Solution
The fourth proportional to 350.31, 525.11 and 144.99 is: 217.34
Step by Step Solution
- Step 1: Write the proportion equation
350.31 : 525.11 = 144.99 : x - Step 2: Convert to fraction form
350.31/525.11 = 144.99/x - Step 3: Cross multiply
350.31x = 525.11 × 144.99 - Step 4: Simplify right side
350.31x = 76,135.70 - Step 5: Solve for x
x = 76,135.70/350.31 - Step 6: Final answer
x = 217.34
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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.