Finding the Fourth Proportional to 365.23, 545.68 and 361.99
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Solution
The fourth proportional to 365.23, 545.68 and 361.99 is: 540.84
Step by Step Solution
- Step 1: Write the proportion equation
365.23 : 545.68 = 361.99 : x - Step 2: Convert to fraction form
365.23/545.68 = 361.99/x - Step 3: Cross multiply
365.23x = 545.68 × 361.99 - Step 4: Simplify right side
365.23x = 197,530.70 - Step 5: Solve for x
x = 197,530.70/365.23 - Step 6: Final answer
x = 540.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.