Finding the Fourth Proportional to 193.84, 267.18 and 135.52
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Solution
The fourth proportional to 193.84, 267.18 and 135.52 is: 186.79
Step by Step Solution
- Step 1: Write the proportion equation
193.84 : 267.18 = 135.52 : x - Step 2: Convert to fraction form
193.84/267.18 = 135.52/x - Step 3: Cross multiply
193.84x = 267.18 × 135.52 - Step 4: Simplify right side
193.84x = 36,208.23 - Step 5: Solve for x
x = 36,208.23/193.84 - Step 6: Final answer
x = 186.79
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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.