Finding the Fourth Proportional to 45.02, 67.47 and 26.99
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Solution
The fourth proportional to 45.02, 67.47 and 26.99 is: 40.45
Step by Step Solution
- Step 1: Write the proportion equation
45.02 : 67.47 = 26.99 : x - Step 2: Convert to fraction form
45.02/67.47 = 26.99/x - Step 3: Cross multiply
45.02x = 67.47 × 26.99 - Step 4: Simplify right side
45.02x = 1,820.68 - Step 5: Solve for x
x = 1,820.68/45.02 - Step 6: Final answer
x = 40.45
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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.