Finding the Fourth Proportional to 241.22, 332.99 and 143.06
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Solution
The fourth proportional to 241.22, 332.99 and 143.06 is: 197.48
Step by Step Solution
- Step 1: Write the proportion equation
241.22 : 332.99 = 143.06 : x - Step 2: Convert to fraction form
241.22/332.99 = 143.06/x - Step 3: Cross multiply
241.22x = 332.99 × 143.06 - Step 4: Simplify right side
241.22x = 47,636.24 - Step 5: Solve for x
x = 47,636.24/241.22 - Step 6: Final answer
x = 197.48
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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.