Finding the Fourth Proportional to 449.69, 619.99 and 302.00
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Solution
The fourth proportional to 449.69, 619.99 and 302.00 is: 416.37
Step by Step Solution
- Step 1: Write the proportion equation
449.69 : 619.99 = 302.00 : x - Step 2: Convert to fraction form
449.69/619.99 = 302.00/x - Step 3: Cross multiply
449.69x = 619.99 × 302.00 - Step 4: Simplify right side
449.69x = 187,233.13 - Step 5: Solve for x
x = 187,233.13/449.69 - Step 6: Final answer
x = 416.37
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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.