Finding the Fourth Proportional to 406, 560.26 and 228.99
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Solution
The fourth proportional to 406, 560.26 and 228.99 is: 315.99
Step by Step Solution
- Step 1: Write the proportion equation
406 : 560.26 = 228.99 : x - Step 2: Convert to fraction form
406/560.26 = 228.99/x - Step 3: Cross multiply
406x = 560.26 × 228.99 - Step 4: Simplify right side
406x = 128,293.94 - Step 5: Solve for x
x = 128,293.94/406 - Step 6: Final answer
x = 315.99
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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.