Finding the Fourth Proportional to 356.08, 534 and 163.68
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Solution
The fourth proportional to 356.08, 534 and 163.68 is: 245.46
Step by Step Solution
- Step 1: Write the proportion equation
356.08 : 534 = 163.68 : x - Step 2: Convert to fraction form
356.08/534 = 163.68/x - Step 3: Cross multiply
356.08x = 534 × 163.68 - Step 4: Simplify right side
356.08x = 87,405.12 - Step 5: Solve for x
x = 87,405.12/356.08 - Step 6: Final answer
x = 245.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.