Finding the Fourth Proportional to 293.42, 439.91 and 130.99
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Solution
The fourth proportional to 293.42, 439.91 and 130.99 is: 196.39
Step by Step Solution
- Step 1: Write the proportion equation
293.42 : 439.91 = 130.99 : x - Step 2: Convert to fraction form
293.42/439.91 = 130.99/x - Step 3: Cross multiply
293.42x = 439.91 × 130.99 - Step 4: Simplify right side
293.42x = 57,624.24 - Step 5: Solve for x
x = 57,624.24/293.42 - Step 6: Final answer
x = 196.39
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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.