Finding the Fourth Proportional to 431.99, 596.17 and 245.49
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Solution
The fourth proportional to 431.99, 596.17 and 245.49 is: 338.79
Step by Step Solution
- Step 1: Write the proportion equation
431.99 : 596.17 = 245.49 : x - Step 2: Convert to fraction form
431.99/596.17 = 245.49/x - Step 3: Cross multiply
431.99x = 596.17 × 245.49 - Step 4: Simplify right side
431.99x = 146,353.77 - Step 5: Solve for x
x = 146,353.77/431.99 - Step 6: Final answer
x = 338.79
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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.