Finding the Fourth Proportional to 193.29, 266.99 and 135.33
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Solution
The fourth proportional to 193.29, 266.99 and 135.33 is: 186.93
Step by Step Solution
- Step 1: Write the proportion equation
193.29 : 266.99 = 135.33 : x - Step 2: Convert to fraction form
193.29/266.99 = 135.33/x - Step 3: Cross multiply
193.29x = 266.99 × 135.33 - Step 4: Simplify right side
193.29x = 36,131.08 - Step 5: Solve for x
x = 36,131.08/193.29 - Step 6: Final answer
x = 186.93
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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.