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Finding the Fourth Proportional to 1,295.96, 1,944.84 and 565.74

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Solution

The fourth proportional to 1,295.96, 1,944.84 and 565.74 is: 849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.96 : 1,944.84 = 565.74 : x
  2. Step 2: Convert to fraction form
    1,295.96/1,944.84 = 565.74/x
  3. Step 3: Cross multiply
    1,295.96x = 1,944.84 × 565.74
  4. Step 4: Simplify right side
    1,295.96x = 1,100,275.90
  5. Step 5: Solve for x
    x = 1,100,275.90/1,295.96
  6. Step 6: Final answer
    x = 849.01

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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.