Finding the Fourth Proportional to 260.15, 359.08 and 161.84
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Solution
The fourth proportional to 260.15, 359.08 and 161.84 is: 223.39
Step by Step Solution
- Step 1: Write the proportion equation
260.15 : 359.08 = 161.84 : x - Step 2: Convert to fraction form
260.15/359.08 = 161.84/x - Step 3: Cross multiply
260.15x = 359.08 × 161.84 - Step 4: Simplify right side
260.15x = 58,114.00 - Step 5: Solve for x
x = 58,114.00/260.15 - Step 6: Final answer
x = 223.39
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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.