Finding the Fourth Proportional to 917.04, 1,265.57 and 524.19
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Solution
The fourth proportional to 917.04, 1,265.57 and 524.19 is: 723.41
Step by Step Solution
- Step 1: Write the proportion equation
917.04 : 1,265.57 = 524.19 : x - Step 2: Convert to fraction form
917.04/1,265.57 = 524.19/x - Step 3: Cross multiply
917.04x = 1,265.57 × 524.19 - Step 4: Simplify right side
917.04x = 663,399.14 - Step 5: Solve for x
x = 663,399.14/917.04 - Step 6: Final answer
x = 723.41
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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.