Finding the Fourth Proportional to 160.26, 239.99 and 142.98
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Solution
The fourth proportional to 160.26, 239.99 and 142.98 is: 214.11
Step by Step Solution
- Step 1: Write the proportion equation
160.26 : 239.99 = 142.98 : x - Step 2: Convert to fraction form
160.26/239.99 = 142.98/x - Step 3: Cross multiply
160.26x = 239.99 × 142.98 - Step 4: Simplify right side
160.26x = 34,313.06 - Step 5: Solve for x
x = 34,313.06/160.26 - Step 6: Final answer
x = 214.11
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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.