Finding the Fourth Proportional to 403.63, 556.99 and 228.97
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Solution
The fourth proportional to 403.63, 556.99 and 228.97 is: 315.97
Step by Step Solution
- Step 1: Write the proportion equation
403.63 : 556.99 = 228.97 : x - Step 2: Convert to fraction form
403.63/556.99 = 228.97/x - Step 3: Cross multiply
403.63x = 556.99 × 228.97 - Step 4: Simplify right side
403.63x = 127,534.00 - Step 5: Solve for x
x = 127,534.00/403.63 - Step 6: Final answer
x = 315.97
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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.