Finding the Fourth Proportional to 134.30, 201.22 and 53.09
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Solution
The fourth proportional to 134.30, 201.22 and 53.09 is: 79.55
Step by Step Solution
- Step 1: Write the proportion equation
134.30 : 201.22 = 53.09 : x - Step 2: Convert to fraction form
134.30/201.22 = 53.09/x - Step 3: Cross multiply
134.30x = 201.22 × 53.09 - Step 4: Simplify right side
134.30x = 10,682.77 - Step 5: Solve for x
x = 10,682.77/134.30 - Step 6: Final answer
x = 79.55
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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.