Finding the Fourth Proportional to 349.76, 524.64 and 93.26
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Solution
The fourth proportional to 349.76, 524.64 and 93.26 is: 139.89
Step by Step Solution
- Step 1: Write the proportion equation
349.76 : 524.64 = 93.26 : x - Step 2: Convert to fraction form
349.76/524.64 = 93.26/x - Step 3: Cross multiply
349.76x = 524.64 × 93.26 - Step 4: Simplify right side
349.76x = 48,927.93 - Step 5: Solve for x
x = 48,927.93/349.76 - Step 6: Final answer
x = 139.89
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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.