Finding the Fourth Proportional to 47.02, 64.99 and 36.19
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Solution
The fourth proportional to 47.02, 64.99 and 36.19 is: 50.02
Step by Step Solution
- Step 1: Write the proportion equation
47.02 : 64.99 = 36.19 : x - Step 2: Convert to fraction form
47.02/64.99 = 36.19/x - Step 3: Cross multiply
47.02x = 64.99 × 36.19 - Step 4: Simplify right side
47.02x = 2,351.99 - Step 5: Solve for x
x = 2,351.99/47.02 - Step 6: Final answer
x = 50.02
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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.