Finding the Fourth Proportional to 62.70, 94.07 and 30.63
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Solution
The fourth proportional to 62.70, 94.07 and 30.63 is: 45.95
Step by Step Solution
- Step 1: Write the proportion equation
62.70 : 94.07 = 30.63 : x - Step 2: Convert to fraction form
62.70/94.07 = 30.63/x - Step 3: Cross multiply
62.70x = 94.07 × 30.63 - Step 4: Simplify right side
62.70x = 2,881.36 - Step 5: Solve for x
x = 2,881.36/62.70 - Step 6: Final answer
x = 45.95
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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.