Finding the Fourth Proportional to 347.48, 523.84 and 324.58
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Solution
The fourth proportional to 347.48, 523.84 and 324.58 is: 489.32
Step by Step Solution
- Step 1: Write the proportion equation
347.48 : 523.84 = 324.58 : x - Step 2: Convert to fraction form
347.48/523.84 = 324.58/x - Step 3: Cross multiply
347.48x = 523.84 × 324.58 - Step 4: Simplify right side
347.48x = 170,027.99 - Step 5: Solve for x
x = 170,027.99/347.48 - Step 6: Final answer
x = 489.32
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.