Finding the Fourth Proportional to 347.76, 520.80 and 201.07
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Solution
The fourth proportional to 347.76, 520.80 and 201.07 is: 301.12
Step by Step Solution
- Step 1: Write the proportion equation
347.76 : 520.80 = 201.07 : x - Step 2: Convert to fraction form
347.76/520.80 = 201.07/x - Step 3: Cross multiply
347.76x = 520.80 × 201.07 - Step 4: Simplify right side
347.76x = 104,717.26 - Step 5: Solve for x
x = 104,717.26/347.76 - Step 6: Final answer
x = 301.12
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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.