Finding the Fourth Proportional to 165.18, 247.77 and 110.68
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Solution
The fourth proportional to 165.18, 247.77 and 110.68 is: 166.02
Step by Step Solution
- Step 1: Write the proportion equation
165.18 : 247.77 = 110.68 : x - Step 2: Convert to fraction form
165.18/247.77 = 110.68/x - Step 3: Cross multiply
165.18x = 247.77 × 110.68 - Step 4: Simplify right side
165.18x = 27,423.18 - Step 5: Solve for x
x = 27,423.18/165.18 - Step 6: Final answer
x = 166.02
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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.