Finding the Fourth Proportional to 324.96, 486.36 and 203.52
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Solution
The fourth proportional to 324.96, 486.36 and 203.52 is: 304.60
Step by Step Solution
- Step 1: Write the proportion equation
324.96 : 486.36 = 203.52 : x - Step 2: Convert to fraction form
324.96/486.36 = 203.52/x - Step 3: Cross multiply
324.96x = 486.36 × 203.52 - Step 4: Simplify right side
324.96x = 98,983.99 - Step 5: Solve for x
x = 98,983.99/324.96 - Step 6: Final answer
x = 304.60
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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.