Finding the Fourth Proportional to 365.17, 548.57 and 220.99
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Solution
The fourth proportional to 365.17, 548.57 and 220.99 is: 331.98
Step by Step Solution
- Step 1: Write the proportion equation
365.17 : 548.57 = 220.99 : x - Step 2: Convert to fraction form
365.17/548.57 = 220.99/x - Step 3: Cross multiply
365.17x = 548.57 × 220.99 - Step 4: Simplify right side
365.17x = 121,228.48 - Step 5: Solve for x
x = 121,228.48/365.17 - Step 6: Final answer
x = 331.98
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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.