Finding the Fourth Proportional to 412.21, 568.91 and 237.58
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Solution
The fourth proportional to 412.21, 568.91 and 237.58 is: 327.90
Step by Step Solution
- Step 1: Write the proportion equation
412.21 : 568.91 = 237.58 : x - Step 2: Convert to fraction form
412.21/568.91 = 237.58/x - Step 3: Cross multiply
412.21x = 568.91 × 237.58 - Step 4: Simplify right side
412.21x = 135,161.64 - Step 5: Solve for x
x = 135,161.64/412.21 - Step 6: Final answer
x = 327.90
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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.