Finding the Fourth Proportional to 407.26, 562.07 and 282.99
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Solution
The fourth proportional to 407.26, 562.07 and 282.99 is: 390.57
Step by Step Solution
- Step 1: Write the proportion equation
407.26 : 562.07 = 282.99 : x - Step 2: Convert to fraction form
407.26/562.07 = 282.99/x - Step 3: Cross multiply
407.26x = 562.07 × 282.99 - Step 4: Simplify right side
407.26x = 159,063.00 - Step 5: Solve for x
x = 159,063.00/407.26 - Step 6: Final answer
x = 390.57
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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.