Finding the Fourth Proportional to 370.42, 555.70 and 164.99
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Solution
The fourth proportional to 370.42, 555.70 and 164.99 is: 247.51
Step by Step Solution
- Step 1: Write the proportion equation
370.42 : 555.70 = 164.99 : x - Step 2: Convert to fraction form
370.42/555.70 = 164.99/x - Step 3: Cross multiply
370.42x = 555.70 × 164.99 - Step 4: Simplify right side
370.42x = 91,682.87 - Step 5: Solve for x
x = 91,682.87/370.42 - Step 6: Final answer
x = 247.51
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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.