Finding the Fourth Proportional to 193.38, 266.99 and 135.06
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Solution
The fourth proportional to 193.38, 266.99 and 135.06 is: 186.47
Step by Step Solution
- Step 1: Write the proportion equation
193.38 : 266.99 = 135.06 : x - Step 2: Convert to fraction form
193.38/266.99 = 135.06/x - Step 3: Cross multiply
193.38x = 266.99 × 135.06 - Step 4: Simplify right side
193.38x = 36,059.67 - Step 5: Solve for x
x = 36,059.67/193.38 - Step 6: Final answer
x = 186.47
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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.