Finding the Fourth Proportional to 263.28, 362.94 and 210.99
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Solution
The fourth proportional to 263.28, 362.94 and 210.99 is: 290.86
Step by Step Solution
- Step 1: Write the proportion equation
263.28 : 362.94 = 210.99 : x - Step 2: Convert to fraction form
263.28/362.94 = 210.99/x - Step 3: Cross multiply
263.28x = 362.94 × 210.99 - Step 4: Simplify right side
263.28x = 76,576.71 - Step 5: Solve for x
x = 76,576.71/263.28 - Step 6: Final answer
x = 290.86
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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.