Finding the Fourth Proportional to 461.99, 637.79 and 304.73
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Solution
The fourth proportional to 461.99, 637.79 and 304.73 is: 420.68
Step by Step Solution
- Step 1: Write the proportion equation
461.99 : 637.79 = 304.73 : x - Step 2: Convert to fraction form
461.99/637.79 = 304.73/x - Step 3: Cross multiply
461.99x = 637.79 × 304.73 - Step 4: Simplify right side
461.99x = 194,349.03 - Step 5: Solve for x
x = 194,349.03/461.99 - Step 6: Final answer
x = 420.68
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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.