Finding the Fourth Proportional to 349.74, 524.61 and 106.26
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Solution
The fourth proportional to 349.74, 524.61 and 106.26 is: 159.39
Step by Step Solution
- Step 1: Write the proportion equation
349.74 : 524.61 = 106.26 : x - Step 2: Convert to fraction form
349.74/524.61 = 106.26/x - Step 3: Cross multiply
349.74x = 524.61 × 106.26 - Step 4: Simplify right side
349.74x = 55,745.06 - Step 5: Solve for x
x = 55,745.06/349.74 - Step 6: Final answer
x = 159.39
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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.