Finding the Fourth Proportional to 193.62, 267.19 and 106.28
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Solution
The fourth proportional to 193.62, 267.19 and 106.28 is: 146.66
Step by Step Solution
- Step 1: Write the proportion equation
193.62 : 267.19 = 106.28 : x - Step 2: Convert to fraction form
193.62/267.19 = 106.28/x - Step 3: Cross multiply
193.62x = 267.19 × 106.28 - Step 4: Simplify right side
193.62x = 28,395.75 - Step 5: Solve for x
x = 28,395.75/193.62 - Step 6: Final answer
x = 146.66
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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.