Finding the Fourth Proportional to 347.88, 480.06 and 207.99
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Solution
The fourth proportional to 347.88, 480.06 and 207.99 is: 287.02
Step by Step Solution
- Step 1: Write the proportion equation
347.88 : 480.06 = 207.99 : x - Step 2: Convert to fraction form
347.88/480.06 = 207.99/x - Step 3: Cross multiply
347.88x = 480.06 × 207.99 - Step 4: Simplify right side
347.88x = 99,847.68 - Step 5: Solve for x
x = 99,847.68/347.88 - Step 6: Final answer
x = 287.02
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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.