Finding the Fourth Proportional to 193.58, 290.36 and 124.93
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Solution
The fourth proportional to 193.58, 290.36 and 124.93 is: 187.39
Step by Step Solution
- Step 1: Write the proportion equation
193.58 : 290.36 = 124.93 : x - Step 2: Convert to fraction form
193.58/290.36 = 124.93/x - Step 3: Cross multiply
193.58x = 290.36 × 124.93 - Step 4: Simplify right side
193.58x = 36,274.26 - Step 5: Solve for x
x = 36,274.26/193.58 - Step 6: Final answer
x = 187.39
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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.