Finding the Fourth Proportional to 134.51, 201.99 and 73.76
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Solution
The fourth proportional to 134.51, 201.99 and 73.76 is: 110.76
Step by Step Solution
- Step 1: Write the proportion equation
134.51 : 201.99 = 73.76 : x - Step 2: Convert to fraction form
134.51/201.99 = 73.76/x - Step 3: Cross multiply
134.51x = 201.99 × 73.76 - Step 4: Simplify right side
134.51x = 14,898.78 - Step 5: Solve for x
x = 14,898.78/134.51 - Step 6: Final answer
x = 110.76
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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.