Finding the Fourth Proportional to 265.28, 397.58 and 110.99
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Solution
The fourth proportional to 265.28, 397.58 and 110.99 is: 166.34
Step by Step Solution
- Step 1: Write the proportion equation
265.28 : 397.58 = 110.99 : x - Step 2: Convert to fraction form
265.28/397.58 = 110.99/x - Step 3: Cross multiply
265.28x = 397.58 × 110.99 - Step 4: Simplify right side
265.28x = 44,126.85 - Step 5: Solve for x
x = 44,126.85/265.28 - Step 6: Final answer
x = 166.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.