Finding the Fourth Proportional to 193.66, 267.26 and 110.78
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Solution
The fourth proportional to 193.66, 267.26 and 110.78 is: 152.88
Step by Step Solution
- Step 1: Write the proportion equation
193.66 : 267.26 = 110.78 : x - Step 2: Convert to fraction form
193.66/267.26 = 110.78/x - Step 3: Cross multiply
193.66x = 267.26 × 110.78 - Step 4: Simplify right side
193.66x = 29,607.06 - Step 5: Solve for x
x = 29,607.06/193.66 - Step 6: Final answer
x = 152.88
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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.