Finding the Fourth Proportional to 750.24, 1,125.81 and 317.52
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Solution
The fourth proportional to 750.24, 1,125.81 and 317.52 is: 476.47
Step by Step Solution
- Step 1: Write the proportion equation
750.24 : 1,125.81 = 317.52 : x - Step 2: Convert to fraction form
750.24/1,125.81 = 317.52/x - Step 3: Cross multiply
750.24x = 1,125.81 × 317.52 - Step 4: Simplify right side
750.24x = 357,467.19 - Step 5: Solve for x
x = 357,467.19/750.24 - Step 6: Final answer
x = 476.47
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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.