Finding the Fourth Proportional to 193.91, 267.54 and 110.99
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Solution
The fourth proportional to 193.91, 267.54 and 110.99 is: 153.14
Step by Step Solution
- Step 1: Write the proportion equation
193.91 : 267.54 = 110.99 : x - Step 2: Convert to fraction form
193.91/267.54 = 110.99/x - Step 3: Cross multiply
193.91x = 267.54 × 110.99 - Step 4: Simplify right side
193.91x = 29,694.93 - Step 5: Solve for x
x = 29,694.93/193.91 - Step 6: Final answer
x = 153.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.