Finding the Fourth Proportional to 325.99, 488.08 and 272.08
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Solution
The fourth proportional to 325.99, 488.08 and 272.08 is: 407.36
Step by Step Solution
- Step 1: Write the proportion equation
325.99 : 488.08 = 272.08 : x - Step 2: Convert to fraction form
325.99/488.08 = 272.08/x - Step 3: Cross multiply
325.99x = 488.08 × 272.08 - Step 4: Simplify right side
325.99x = 132,796.81 - Step 5: Solve for x
x = 132,796.81/325.99 - Step 6: Final answer
x = 407.36
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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.