Finding the Fourth Proportional to 355.44, 533.14 and 163.06
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Solution
The fourth proportional to 355.44, 533.14 and 163.06 is: 244.58
Step by Step Solution
- Step 1: Write the proportion equation
355.44 : 533.14 = 163.06 : x - Step 2: Convert to fraction form
355.44/533.14 = 163.06/x - Step 3: Cross multiply
355.44x = 533.14 × 163.06 - Step 4: Simplify right side
355.44x = 86,933.81 - Step 5: Solve for x
x = 86,933.81/355.44 - Step 6: Final answer
x = 244.58
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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.