Finding the Fourth Proportional to 62.50, 86.12 and 46.08
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Solution
The fourth proportional to 62.50, 86.12 and 46.08 is: 63.49
Step by Step Solution
- Step 1: Write the proportion equation
62.50 : 86.12 = 46.08 : x - Step 2: Convert to fraction form
62.50/86.12 = 46.08/x - Step 3: Cross multiply
62.50x = 86.12 × 46.08 - Step 4: Simplify right side
62.50x = 3,968.41 - Step 5: Solve for x
x = 3,968.41/62.50 - Step 6: Final answer
x = 63.49
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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.