Finding the Fourth Proportional to 402.14, 603.26 and 170.99
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Solution
The fourth proportional to 402.14, 603.26 and 170.99 is: 256.50
Step by Step Solution
- Step 1: Write the proportion equation
402.14 : 603.26 = 170.99 : x - Step 2: Convert to fraction form
402.14/603.26 = 170.99/x - Step 3: Cross multiply
402.14x = 603.26 × 170.99 - Step 4: Simplify right side
402.14x = 103,147.56 - Step 5: Solve for x
x = 103,147.56/402.14 - Step 6: Final answer
x = 256.50
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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.