Finding the Fourth Proportional to 63.41, 87.35 and 59.49
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Solution
The fourth proportional to 63.41, 87.35 and 59.49 is: 81.95
Step by Step Solution
- Step 1: Write the proportion equation
63.41 : 87.35 = 59.49 : x - Step 2: Convert to fraction form
63.41/87.35 = 59.49/x - Step 3: Cross multiply
63.41x = 87.35 × 59.49 - Step 4: Simplify right side
63.41x = 5,196.15 - Step 5: Solve for x
x = 5,196.15/63.41 - Step 6: Final answer
x = 81.95
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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.