Finding the Fourth Proportional to 260.14, 358.97 and 143.68
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Solution
The fourth proportional to 260.14, 358.97 and 143.68 is: 198.26
Step by Step Solution
- Step 1: Write the proportion equation
260.14 : 358.97 = 143.68 : x - Step 2: Convert to fraction form
260.14/358.97 = 143.68/x - Step 3: Cross multiply
260.14x = 358.97 × 143.68 - Step 4: Simplify right side
260.14x = 51,576.09 - Step 5: Solve for x
x = 51,576.09/260.14 - Step 6: Final answer
x = 198.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.