Finding the Fourth Proportional to 325.08, 487.44 and 108.63
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Solution
The fourth proportional to 325.08, 487.44 and 108.63 is: 162.88
Step by Step Solution
- Step 1: Write the proportion equation
325.08 : 487.44 = 108.63 : x - Step 2: Convert to fraction form
325.08/487.44 = 108.63/x - Step 3: Cross multiply
325.08x = 487.44 × 108.63 - Step 4: Simplify right side
325.08x = 52,950.61 - Step 5: Solve for x
x = 52,950.61/325.08 - Step 6: Final answer
x = 162.88
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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.