Finding the Fourth Proportional to 193.91, 290.93 and 97.65
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Solution
The fourth proportional to 193.91, 290.93 and 97.65 is: 146.51
Step by Step Solution
- Step 1: Write the proportion equation
193.91 : 290.93 = 97.65 : x - Step 2: Convert to fraction form
193.91/290.93 = 97.65/x - Step 3: Cross multiply
193.91x = 290.93 × 97.65 - Step 4: Simplify right side
193.91x = 28,408.83 - Step 5: Solve for x
x = 28,408.83/193.91 - Step 6: Final answer
x = 146.51
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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.