Finding the Fourth Proportional to 260.21, 358.97 and 177.18
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Solution
The fourth proportional to 260.21, 358.97 and 177.18 is: 244.43
Step by Step Solution
- Step 1: Write the proportion equation
260.21 : 358.97 = 177.18 : x - Step 2: Convert to fraction form
260.21/358.97 = 177.18/x - Step 3: Cross multiply
260.21x = 358.97 × 177.18 - Step 4: Simplify right side
260.21x = 63,601.42 - Step 5: Solve for x
x = 63,601.42/260.21 - Step 6: Final answer
x = 244.43
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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.