Finding the Fourth Proportional to 260.24, 358.88 and 177.21
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Solution
The fourth proportional to 260.24, 358.88 and 177.21 is: 244.38
Step by Step Solution
- Step 1: Write the proportion equation
260.24 : 358.88 = 177.21 : x - Step 2: Convert to fraction form
260.24/358.88 = 177.21/x - Step 3: Cross multiply
260.24x = 358.88 × 177.21 - Step 4: Simplify right side
260.24x = 63,596.24 - Step 5: Solve for x
x = 63,596.24/260.24 - Step 6: Final answer
x = 244.38
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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.