Finding the Fourth Proportional to 45.36, 62.59 and 28.99
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Solution
The fourth proportional to 45.36, 62.59 and 28.99 is: 40.00
Step by Step Solution
- Step 1: Write the proportion equation
45.36 : 62.59 = 28.99 : x - Step 2: Convert to fraction form
45.36/62.59 = 28.99/x - Step 3: Cross multiply
45.36x = 62.59 × 28.99 - Step 4: Simplify right side
45.36x = 1,814.54 - Step 5: Solve for x
x = 1,814.54/45.36 - Step 6: Final answer
x = 40.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.