Finding the Fourth Proportional to 364.99, 547.36 and 145.53
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Solution
The fourth proportional to 364.99, 547.36 and 145.53 is: 218.25
Step by Step Solution
- Step 1: Write the proportion equation
364.99 : 547.36 = 145.53 : x - Step 2: Convert to fraction form
364.99/547.36 = 145.53/x - Step 3: Cross multiply
364.99x = 547.36 × 145.53 - Step 4: Simplify right side
364.99x = 79,657.30 - Step 5: Solve for x
x = 79,657.30/364.99 - Step 6: Final answer
x = 218.25
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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.