Finding the Fourth Proportional to 193.37, 266.99 and 119.75
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Solution
The fourth proportional to 193.37, 266.99 and 119.75 is: 165.34
Step by Step Solution
- Step 1: Write the proportion equation
193.37 : 266.99 = 119.75 : x - Step 2: Convert to fraction form
193.37/266.99 = 119.75/x - Step 3: Cross multiply
193.37x = 266.99 × 119.75 - Step 4: Simplify right side
193.37x = 31,970.12 - Step 5: Solve for x
x = 31,970.12/193.37 - Step 6: Final answer
x = 165.34
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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.