Finding the Fourth Proportional to 265.09, 397.66 and 110.99
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Solution
The fourth proportional to 265.09, 397.66 and 110.99 is: 166.50
Step by Step Solution
- Step 1: Write the proportion equation
265.09 : 397.66 = 110.99 : x - Step 2: Convert to fraction form
265.09/397.66 = 110.99/x - Step 3: Cross multiply
265.09x = 397.66 × 110.99 - Step 4: Simplify right side
265.09x = 44,136.28 - Step 5: Solve for x
x = 44,136.28/265.09 - Step 6: Final answer
x = 166.50
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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.