Finding the Fourth Proportional to 168.96, 253.44 and 88
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Solution
The fourth proportional to 168.96, 253.44 and 88 is: 132
Step by Step Solution
- Step 1: Write the proportion equation
168.96 : 253.44 = 88 : x - Step 2: Convert to fraction form
168.96/253.44 = 88/x - Step 3: Cross multiply
168.96x = 253.44 × 88 - Step 4: Simplify right side
168.96x = 22,302.72 - Step 5: Solve for x
x = 22,302.72/168.96 - Step 6: Final answer
x = 132
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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.