Finding the Fourth Proportional to 431.73, 647.19 and 184.68
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Solution
The fourth proportional to 431.73, 647.19 and 184.68 is: 276.85
Step by Step Solution
- Step 1: Write the proportion equation
431.73 : 647.19 = 184.68 : x - Step 2: Convert to fraction form
431.73/647.19 = 184.68/x - Step 3: Cross multiply
431.73x = 647.19 × 184.68 - Step 4: Simplify right side
431.73x = 119,523.05 - Step 5: Solve for x
x = 119,523.05/431.73 - Step 6: Final answer
x = 276.85
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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.