Finding the Fourth Proportional to 673.25, 929.66 and 424.99
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Solution
The fourth proportional to 673.25, 929.66 and 424.99 is: 586.85
Step by Step Solution
- Step 1: Write the proportion equation
673.25 : 929.66 = 424.99 : x - Step 2: Convert to fraction form
673.25/929.66 = 424.99/x - Step 3: Cross multiply
673.25x = 929.66 × 424.99 - Step 4: Simplify right side
673.25x = 395,096.20 - Step 5: Solve for x
x = 395,096.20/673.25 - Step 6: Final answer
x = 586.85
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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.