Finding the Fourth Proportional to 475.99, 657.49 and 366.81
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Solution
The fourth proportional to 475.99, 657.49 and 366.81 is: 506.68
Step by Step Solution
- Step 1: Write the proportion equation
475.99 : 657.49 = 366.81 : x - Step 2: Convert to fraction form
475.99/657.49 = 366.81/x - Step 3: Cross multiply
475.99x = 657.49 × 366.81 - Step 4: Simplify right side
475.99x = 241,172.99 - Step 5: Solve for x
x = 241,172.99/475.99 - Step 6: Final answer
x = 506.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.