Finding the Fourth Proportional to 347.36, 520.97 and 130.95
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Solution
The fourth proportional to 347.36, 520.97 and 130.95 is: 196.40
Step by Step Solution
- Step 1: Write the proportion equation
347.36 : 520.97 = 130.95 : x - Step 2: Convert to fraction form
347.36/520.97 = 130.95/x - Step 3: Cross multiply
347.36x = 520.97 × 130.95 - Step 4: Simplify right side
347.36x = 68,220.37 - Step 5: Solve for x
x = 68,220.37/347.36 - Step 6: Final answer
x = 196.40
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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.