Finding the Fourth Proportional to 472.63, 654.99 and 466.02
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Solution
The fourth proportional to 472.63, 654.99 and 466.02 is: 645.83
Step by Step Solution
- Step 1: Write the proportion equation
472.63 : 654.99 = 466.02 : x - Step 2: Convert to fraction form
472.63/654.99 = 466.02/x - Step 3: Cross multiply
472.63x = 654.99 × 466.02 - Step 4: Simplify right side
472.63x = 305,236.69 - Step 5: Solve for x
x = 305,236.69/472.63 - Step 6: Final answer
x = 645.83
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.