Finding the Fourth Proportional to 193.41, 266.99 and 119.84
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Solution
The fourth proportional to 193.41, 266.99 and 119.84 is: 165.42
Step by Step Solution
- Step 1: Write the proportion equation
193.41 : 266.99 = 119.84 : x - Step 2: Convert to fraction form
193.41/266.99 = 119.84/x - Step 3: Cross multiply
193.41x = 266.99 × 119.84 - Step 4: Simplify right side
193.41x = 31,994.15 - Step 5: Solve for x
x = 31,994.15/193.41 - Step 6: Final answer
x = 165.42
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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.