Finding the Fourth Proportional to 545.97, 753.12 and 324.99
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Solution
The fourth proportional to 545.97, 753.12 and 324.99 is: 448.30
Step by Step Solution
- Step 1: Write the proportion equation
545.97 : 753.12 = 324.99 : x - Step 2: Convert to fraction form
545.97/753.12 = 324.99/x - Step 3: Cross multiply
545.97x = 753.12 × 324.99 - Step 4: Simplify right side
545.97x = 244,757.69 - Step 5: Solve for x
x = 244,757.69/545.97 - Step 6: Final answer
x = 448.30
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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.