Finding the Fourth Proportional to 949.28, 1,424.21 and 332.99
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Solution
The fourth proportional to 949.28, 1,424.21 and 332.99 is: 499.59
Step by Step Solution
- Step 1: Write the proportion equation
949.28 : 1,424.21 = 332.99 : x - Step 2: Convert to fraction form
949.28/1,424.21 = 332.99/x - Step 3: Cross multiply
949.28x = 1,424.21 × 332.99 - Step 4: Simplify right side
949.28x = 474,251.25 - Step 5: Solve for x
x = 474,251.25/949.28 - Step 6: Final answer
x = 499.59
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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.