Finding the Fourth Proportional to 134.76, 201.99 and 49.20
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Solution
The fourth proportional to 134.76, 201.99 and 49.20 is: 73.75
Step by Step Solution
- Step 1: Write the proportion equation
134.76 : 201.99 = 49.20 : x - Step 2: Convert to fraction form
134.76/201.99 = 49.20/x - Step 3: Cross multiply
134.76x = 201.99 × 49.20 - Step 4: Simplify right side
134.76x = 9,937.91 - Step 5: Solve for x
x = 9,937.91/134.76 - Step 6: Final answer
x = 73.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.