Finding the Fourth Proportional to 260.26, 358.99 and 160.70
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Solution
The fourth proportional to 260.26, 358.99 and 160.70 is: 221.66
Step by Step Solution
- Step 1: Write the proportion equation
260.26 : 358.99 = 160.70 : x - Step 2: Convert to fraction form
260.26/358.99 = 160.70/x - Step 3: Cross multiply
260.26x = 358.99 × 160.70 - Step 4: Simplify right side
260.26x = 57,687.50 - Step 5: Solve for x
x = 57,687.50/260.26 - Step 6: Final answer
x = 221.66
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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.