Finding the Fourth Proportional to 347.18, 523.36 and 324.26
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Solution
The fourth proportional to 347.18, 523.36 and 324.26 is: 488.82
Step by Step Solution
- Step 1: Write the proportion equation
347.18 : 523.36 = 324.26 : x - Step 2: Convert to fraction form
347.18/523.36 = 324.26/x - Step 3: Cross multiply
347.18x = 523.36 × 324.26 - Step 4: Simplify right side
347.18x = 169,704.46 - Step 5: Solve for x
x = 169,704.46/347.18 - Step 6: Final answer
x = 488.82
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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.