Finding the Fourth Proportional to 347.67, 480.26 and 292.99
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Solution
The fourth proportional to 347.67, 480.26 and 292.99 is: 404.73
Step by Step Solution
- Step 1: Write the proportion equation
347.67 : 480.26 = 292.99 : x - Step 2: Convert to fraction form
347.67/480.26 = 292.99/x - Step 3: Cross multiply
347.67x = 480.26 × 292.99 - Step 4: Simplify right side
347.67x = 140,711.38 - Step 5: Solve for x
x = 140,711.38/347.67 - Step 6: Final answer
x = 404.73
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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.