Finding the Fourth Proportional to 352.53, 528.99 and 324.99
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Solution
The fourth proportional to 352.53, 528.99 and 324.99 is: 487.66
Step by Step Solution
- Step 1: Write the proportion equation
352.53 : 528.99 = 324.99 : x - Step 2: Convert to fraction form
352.53/528.99 = 324.99/x - Step 3: Cross multiply
352.53x = 528.99 × 324.99 - Step 4: Simplify right side
352.53x = 171,916.46 - Step 5: Solve for x
x = 171,916.46/352.53 - Step 6: Final answer
x = 487.66
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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.