Finding the Fourth Proportional to 434.19, 651.02 and 199.63
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Solution
The fourth proportional to 434.19, 651.02 and 199.63 is: 299.33
Step by Step Solution
- Step 1: Write the proportion equation
434.19 : 651.02 = 199.63 : x - Step 2: Convert to fraction form
434.19/651.02 = 199.63/x - Step 3: Cross multiply
434.19x = 651.02 × 199.63 - Step 4: Simplify right side
434.19x = 129,964.75 - Step 5: Solve for x
x = 129,964.75/434.19 - Step 6: Final answer
x = 299.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.