Finding the Fourth Proportional to 259.23, 357.56 and 160.82
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Solution
The fourth proportional to 259.23, 357.56 and 160.82 is: 221.81
Step by Step Solution
- Step 1: Write the proportion equation
259.23 : 357.56 = 160.82 : x - Step 2: Convert to fraction form
259.23/357.56 = 160.82/x - Step 3: Cross multiply
259.23x = 357.56 × 160.82 - Step 4: Simplify right side
259.23x = 57,500.21 - Step 5: Solve for x
x = 57,500.21/259.23 - Step 6: Final answer
x = 221.81
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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.