Finding the Fourth Proportional to 193.65, 267.17 and 110.75
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Solution
The fourth proportional to 193.65, 267.17 and 110.75 is: 152.79
Step by Step Solution
- Step 1: Write the proportion equation
193.65 : 267.17 = 110.75 : x - Step 2: Convert to fraction form
193.65/267.17 = 110.75/x - Step 3: Cross multiply
193.65x = 267.17 × 110.75 - Step 4: Simplify right side
193.65x = 29,587.19 - Step 5: Solve for x
x = 29,587.19/193.65 - Step 6: Final answer
x = 152.79
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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.