Finding the Fourth Proportional to 295.35, 442.94 and 89.81
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Solution
The fourth proportional to 295.35, 442.94 and 89.81 is: 134.69
Step by Step Solution
- Step 1: Write the proportion equation
295.35 : 442.94 = 89.81 : x - Step 2: Convert to fraction form
295.35/442.94 = 89.81/x - Step 3: Cross multiply
295.35x = 442.94 × 89.81 - Step 4: Simplify right side
295.35x = 39,780.20 - Step 5: Solve for x
x = 39,780.20/295.35 - Step 6: Final answer
x = 134.69
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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.