Finding the Fourth Proportional to 706.34, 1,059.09 and 272.99
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Solution
The fourth proportional to 706.34, 1,059.09 and 272.99 is: 409.32
Step by Step Solution
- Step 1: Write the proportion equation
706.34 : 1,059.09 = 272.99 : x - Step 2: Convert to fraction form
706.34/1,059.09 = 272.99/x - Step 3: Cross multiply
706.34x = 1,059.09 × 272.99 - Step 4: Simplify right side
706.34x = 289,115.68 - Step 5: Solve for x
x = 289,115.68/706.34 - Step 6: Final answer
x = 409.32
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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.