Finding the Fourth Proportional to 324.70, 486.69 and 202.79
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Solution
The fourth proportional to 324.70, 486.69 and 202.79 is: 303.96
Step by Step Solution
- Step 1: Write the proportion equation
324.70 : 486.69 = 202.79 : x - Step 2: Convert to fraction form
324.70/486.69 = 202.79/x - Step 3: Cross multiply
324.70x = 486.69 × 202.79 - Step 4: Simplify right side
324.70x = 98,695.87 - Step 5: Solve for x
x = 98,695.87/324.70 - Step 6: Final answer
x = 303.96
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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.