Finding the Fourth Proportional to 228.42, 314.99 and 163.01
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Solution
The fourth proportional to 228.42, 314.99 and 163.01 is: 224.79
Step by Step Solution
- Step 1: Write the proportion equation
228.42 : 314.99 = 163.01 : x - Step 2: Convert to fraction form
228.42/314.99 = 163.01/x - Step 3: Cross multiply
228.42x = 314.99 × 163.01 - Step 4: Simplify right side
228.42x = 51,347.10 - Step 5: Solve for x
x = 51,347.10/228.42 - Step 6: Final answer
x = 224.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.