Finding the Fourth Proportional to 356.32, 534.08 and 163.68
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Solution
The fourth proportional to 356.32, 534.08 and 163.68 is: 245.34
Step by Step Solution
- Step 1: Write the proportion equation
356.32 : 534.08 = 163.68 : x - Step 2: Convert to fraction form
356.32/534.08 = 163.68/x - Step 3: Cross multiply
356.32x = 534.08 × 163.68 - Step 4: Simplify right side
356.32x = 87,418.21 - Step 5: Solve for x
x = 87,418.21/356.32 - Step 6: Final answer
x = 245.34
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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.