Finding the Fourth Proportional to 235.08, 324.26 and 143.08
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Solution
The fourth proportional to 235.08, 324.26 and 143.08 is: 197.36
Step by Step Solution
- Step 1: Write the proportion equation
235.08 : 324.26 = 143.08 : x - Step 2: Convert to fraction form
235.08/324.26 = 143.08/x - Step 3: Cross multiply
235.08x = 324.26 × 143.08 - Step 4: Simplify right side
235.08x = 46,395.12 - Step 5: Solve for x
x = 46,395.12/235.08 - Step 6: Final answer
x = 197.36
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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.