Finding the Fourth Proportional to 349.11, 481.01 and 260.21
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Solution
The fourth proportional to 349.11, 481.01 and 260.21 is: 358.52
Step by Step Solution
- Step 1: Write the proportion equation
349.11 : 481.01 = 260.21 : x - Step 2: Convert to fraction form
349.11/481.01 = 260.21/x - Step 3: Cross multiply
349.11x = 481.01 × 260.21 - Step 4: Simplify right side
349.11x = 125,163.51 - Step 5: Solve for x
x = 125,163.51/349.11 - Step 6: Final answer
x = 358.52
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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.