Finding the Fourth Proportional to 193.44, 266.99 and 135.19
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Solution
The fourth proportional to 193.44, 266.99 and 135.19 is: 186.59
Step by Step Solution
- Step 1: Write the proportion equation
193.44 : 266.99 = 135.19 : x - Step 2: Convert to fraction form
193.44/266.99 = 135.19/x - Step 3: Cross multiply
193.44x = 266.99 × 135.19 - Step 4: Simplify right side
193.44x = 36,094.38 - Step 5: Solve for x
x = 36,094.38/193.44 - Step 6: Final answer
x = 186.59
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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.