Finding the Fourth Proportional to 260.44, 358.62 and 239.80
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Solution
The fourth proportional to 260.44, 358.62 and 239.80 is: 330.20
Step by Step Solution
- Step 1: Write the proportion equation
260.44 : 358.62 = 239.80 : x - Step 2: Convert to fraction form
260.44/358.62 = 239.80/x - Step 3: Cross multiply
260.44x = 358.62 × 239.80 - Step 4: Simplify right side
260.44x = 85,997.08 - Step 5: Solve for x
x = 85,997.08/260.44 - Step 6: Final answer
x = 330.20
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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.