Finding the Fourth Proportional to 45.30, 62.43 and 32.99
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Solution
The fourth proportional to 45.30, 62.43 and 32.99 is: 45.46
Step by Step Solution
- Step 1: Write the proportion equation
45.30 : 62.43 = 32.99 : x - Step 2: Convert to fraction form
45.30/62.43 = 32.99/x - Step 3: Cross multiply
45.30x = 62.43 × 32.99 - Step 4: Simplify right side
45.30x = 2,059.25 - Step 5: Solve for x
x = 2,059.25/45.30 - Step 6: Final answer
x = 45.46
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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.