Finding the Fourth Proportional to 259.44, 358.08 and 170.96
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Solution
The fourth proportional to 259.44, 358.08 and 170.96 is: 235.96
Step by Step Solution
- Step 1: Write the proportion equation
259.44 : 358.08 = 170.96 : x - Step 2: Convert to fraction form
259.44/358.08 = 170.96/x - Step 3: Cross multiply
259.44x = 358.08 × 170.96 - Step 4: Simplify right side
259.44x = 61,217.36 - Step 5: Solve for x
x = 61,217.36/259.44 - Step 6: Final answer
x = 235.96
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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.