Finding the Fourth Proportional to 434.56, 651.82 and 146
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Solution
The fourth proportional to 434.56, 651.82 and 146 is: 218.99
Step by Step Solution
- Step 1: Write the proportion equation
434.56 : 651.82 = 146 : x - Step 2: Convert to fraction form
434.56/651.82 = 146/x - Step 3: Cross multiply
434.56x = 651.82 × 146 - Step 4: Simplify right side
434.56x = 95,165.72 - Step 5: Solve for x
x = 95,165.72/434.56 - Step 6: Final answer
x = 218.99
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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.