Finding the Fourth Proportional to 274.33, 411.50 and 111.99
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Solution
The fourth proportional to 274.33, 411.50 and 111.99 is: 167.99
Step by Step Solution
- Step 1: Write the proportion equation
274.33 : 411.50 = 111.99 : x - Step 2: Convert to fraction form
274.33/411.50 = 111.99/x - Step 3: Cross multiply
274.33x = 411.50 × 111.99 - Step 4: Simplify right side
274.33x = 46,083.89 - Step 5: Solve for x
x = 46,083.89/274.33 - Step 6: Final answer
x = 167.99
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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.