Finding the Fourth Proportional to 349.97, 524.95 and 106.49
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Solution
The fourth proportional to 349.97, 524.95 and 106.49 is: 159.74
Step by Step Solution
- Step 1: Write the proportion equation
349.97 : 524.95 = 106.49 : x - Step 2: Convert to fraction form
349.97/524.95 = 106.49/x - Step 3: Cross multiply
349.97x = 524.95 × 106.49 - Step 4: Simplify right side
349.97x = 55,902.97 - Step 5: Solve for x
x = 55,902.97/349.97 - Step 6: Final answer
x = 159.74
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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.