Finding the Fourth Proportional to 235.41, 353.26 and 208.68
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Solution
The fourth proportional to 235.41, 353.26 and 208.68 is: 313.15
Step by Step Solution
- Step 1: Write the proportion equation
235.41 : 353.26 = 208.68 : x - Step 2: Convert to fraction form
235.41/353.26 = 208.68/x - Step 3: Cross multiply
235.41x = 353.26 × 208.68 - Step 4: Simplify right side
235.41x = 73,717.23 - Step 5: Solve for x
x = 73,717.23/235.41 - Step 6: Final answer
x = 313.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.