Finding the Fourth Proportional to 636, 954 and 203.19
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Solution
The fourth proportional to 636, 954 and 203.19 is: 304.79
Step by Step Solution
- Step 1: Write the proportion equation
636 : 954 = 203.19 : x - Step 2: Convert to fraction form
636/954 = 203.19/x - Step 3: Cross multiply
636x = 954 × 203.19 - Step 4: Simplify right side
636x = 193,843.26 - Step 5: Solve for x
x = 193,843.26/636 - Step 6: Final answer
x = 304.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.