Finding the Fourth Proportional to 193.49, 290.26 and 102.26
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Solution
The fourth proportional to 193.49, 290.26 and 102.26 is: 153.40
Step by Step Solution
- Step 1: Write the proportion equation
193.49 : 290.26 = 102.26 : x - Step 2: Convert to fraction form
193.49/290.26 = 102.26/x - Step 3: Cross multiply
193.49x = 290.26 × 102.26 - Step 4: Simplify right side
193.49x = 29,681.99 - Step 5: Solve for x
x = 29,681.99/193.49 - Step 6: Final answer
x = 153.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.