Finding the Fourth Proportional to 62.06, 85.56 and 50.99
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Solution
The fourth proportional to 62.06, 85.56 and 50.99 is: 70.30
Step by Step Solution
- Step 1: Write the proportion equation
62.06 : 85.56 = 50.99 : x - Step 2: Convert to fraction form
62.06/85.56 = 50.99/x - Step 3: Cross multiply
62.06x = 85.56 × 50.99 - Step 4: Simplify right side
62.06x = 4,362.70 - Step 5: Solve for x
x = 4,362.70/62.06 - Step 6: Final answer
x = 70.30
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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.