Finding the Fourth Proportional to 63.20, 94.98 and 58.74
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Solution
The fourth proportional to 63.20, 94.98 and 58.74 is: 88.28
Step by Step Solution
- Step 1: Write the proportion equation
63.20 : 94.98 = 58.74 : x - Step 2: Convert to fraction form
63.20/94.98 = 58.74/x - Step 3: Cross multiply
63.20x = 94.98 × 58.74 - Step 4: Simplify right side
63.20x = 5,579.13 - Step 5: Solve for x
x = 5,579.13/63.20 - Step 6: Final answer
x = 88.28
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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.