Finding the Fourth Proportional to 444.99, 615.36 and 400.65
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Solution
The fourth proportional to 444.99, 615.36 and 400.65 is: 554.04
Step by Step Solution
- Step 1: Write the proportion equation
444.99 : 615.36 = 400.65 : x - Step 2: Convert to fraction form
444.99/615.36 = 400.65/x - Step 3: Cross multiply
444.99x = 615.36 × 400.65 - Step 4: Simplify right side
444.99x = 246,543.98 - Step 5: Solve for x
x = 246,543.98/444.99 - Step 6: Final answer
x = 554.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.