Finding the Fourth Proportional to 210.31, 290.26 and 201.08
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Solution
The fourth proportional to 210.31, 290.26 and 201.08 is: 277.52
Step by Step Solution
- Step 1: Write the proportion equation
210.31 : 290.26 = 201.08 : x - Step 2: Convert to fraction form
210.31/290.26 = 201.08/x - Step 3: Cross multiply
210.31x = 290.26 × 201.08 - Step 4: Simplify right side
210.31x = 58,365.48 - Step 5: Solve for x
x = 58,365.48/210.31 - Step 6: Final answer
x = 277.52
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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.