Finding the Fourth Proportional to 325.98, 488.97 and 216.99
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Solution
The fourth proportional to 325.98, 488.97 and 216.99 is: 325.49
Step by Step Solution
- Step 1: Write the proportion equation
325.98 : 488.97 = 216.99 : x - Step 2: Convert to fraction form
325.98/488.97 = 216.99/x - Step 3: Cross multiply
325.98x = 488.97 × 216.99 - Step 4: Simplify right side
325.98x = 106,101.60 - Step 5: Solve for x
x = 106,101.60/325.98 - Step 6: Final answer
x = 325.49
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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.