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Finding the Fourth Proportional to 705.01, 1,057.83 and 294.24

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Solution

The fourth proportional to 705.01, 1,057.83 and 294.24 is: 441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.01 : 1,057.83 = 294.24 : x
  2. Step 2: Convert to fraction form
    705.01/1,057.83 = 294.24/x
  3. Step 3: Cross multiply
    705.01x = 1,057.83 × 294.24
  4. Step 4: Simplify right side
    705.01x = 311,255.90
  5. Step 5: Solve for x
    x = 311,255.90/705.01
  6. Step 6: Final answer
    x = 441.49

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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.