Finding the Fourth Proportional to 265.86, 398.52 and 144.09
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Solution
The fourth proportional to 265.86, 398.52 and 144.09 is: 215.99
Step by Step Solution
- Step 1: Write the proportion equation
265.86 : 398.52 = 144.09 : x - Step 2: Convert to fraction form
265.86/398.52 = 144.09/x - Step 3: Cross multiply
265.86x = 398.52 × 144.09 - Step 4: Simplify right side
265.86x = 57,422.75 - Step 5: Solve for x
x = 57,422.75/265.86 - Step 6: Final answer
x = 215.99
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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.