Finding the Fourth Proportional to 578.25, 866.25 and 333.99
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Solution
The fourth proportional to 578.25, 866.25 and 333.99 is: 500.34
Step by Step Solution
- Step 1: Write the proportion equation
578.25 : 866.25 = 333.99 : x - Step 2: Convert to fraction form
578.25/866.25 = 333.99/x - Step 3: Cross multiply
578.25x = 866.25 × 333.99 - Step 4: Simplify right side
578.25x = 289,318.84 - Step 5: Solve for x
x = 289,318.84/578.25 - Step 6: Final answer
x = 500.34
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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.