Finding the Fourth Proportional to 346.53, 519.93 and 130.26
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Solution
The fourth proportional to 346.53, 519.93 and 130.26 is: 195.44
Step by Step Solution
- Step 1: Write the proportion equation
346.53 : 519.93 = 130.26 : x - Step 2: Convert to fraction form
346.53/519.93 = 130.26/x - Step 3: Cross multiply
346.53x = 519.93 × 130.26 - Step 4: Simplify right side
346.53x = 67,726.08 - Step 5: Solve for x
x = 67,726.08/346.53 - Step 6: Final answer
x = 195.44
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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.