Finding the Fourth Proportional to 338.19, 507.28 and 110.19
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Solution
The fourth proportional to 338.19, 507.28 and 110.19 is: 165.28
Step by Step Solution
- Step 1: Write the proportion equation
338.19 : 507.28 = 110.19 : x - Step 2: Convert to fraction form
338.19/507.28 = 110.19/x - Step 3: Cross multiply
338.19x = 507.28 × 110.19 - Step 4: Simplify right side
338.19x = 55,897.18 - Step 5: Solve for x
x = 55,897.18/338.19 - Step 6: Final answer
x = 165.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.