Finding the Fourth Proportional to 235.24, 350.99 and 209.12
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Solution
The fourth proportional to 235.24, 350.99 and 209.12 is: 312.02
Step by Step Solution
- Step 1: Write the proportion equation
235.24 : 350.99 = 209.12 : x - Step 2: Convert to fraction form
235.24/350.99 = 209.12/x - Step 3: Cross multiply
235.24x = 350.99 × 209.12 - Step 4: Simplify right side
235.24x = 73,399.03 - Step 5: Solve for x
x = 73,399.03/235.24 - Step 6: Final answer
x = 312.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.