Finding the Fourth Proportional to 325.20, 448.26 and 266.10
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Solution
The fourth proportional to 325.20, 448.26 and 266.10 is: 366.80
Step by Step Solution
- Step 1: Write the proportion equation
325.20 : 448.26 = 266.10 : x - Step 2: Convert to fraction form
325.20/448.26 = 266.10/x - Step 3: Cross multiply
325.20x = 448.26 × 266.10 - Step 4: Simplify right side
325.20x = 119,281.99 - Step 5: Solve for x
x = 119,281.99/325.20 - Step 6: Final answer
x = 366.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.