Finding the Fourth Proportional to 347.93, 520.97 and 193.62
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Solution
The fourth proportional to 347.93, 520.97 and 193.62 is: 289.92
Step by Step Solution
- Step 1: Write the proportion equation
347.93 : 520.97 = 193.62 : x - Step 2: Convert to fraction form
347.93/520.97 = 193.62/x - Step 3: Cross multiply
347.93x = 520.97 × 193.62 - Step 4: Simplify right side
347.93x = 100,869.24 - Step 5: Solve for x
x = 100,869.24/347.93 - Step 6: Final answer
x = 289.92
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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.