Finding the Fourth Proportional to 471.74, 651.08 and 324.26
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Solution
The fourth proportional to 471.74, 651.08 and 324.26 is: 447.53
Step by Step Solution
- Step 1: Write the proportion equation
471.74 : 651.08 = 324.26 : x - Step 2: Convert to fraction form
471.74/651.08 = 324.26/x - Step 3: Cross multiply
471.74x = 651.08 × 324.26 - Step 4: Simplify right side
471.74x = 211,114.32 - Step 5: Solve for x
x = 211,114.32/471.74 - Step 6: Final answer
x = 447.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.