Finding the Fourth Proportional to 471.02, 650.12 and 313.90
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Solution
The fourth proportional to 471.02, 650.12 and 313.90 is: 433.26
Step by Step Solution
- Step 1: Write the proportion equation
471.02 : 650.12 = 313.90 : x - Step 2: Convert to fraction form
471.02/650.12 = 313.90/x - Step 3: Cross multiply
471.02x = 650.12 × 313.90 - Step 4: Simplify right side
471.02x = 204,072.67 - Step 5: Solve for x
x = 204,072.67/471.02 - Step 6: Final answer
x = 433.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.