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Finding the Fourth Proportional to 944.47, 1,303.59 and 571.69

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Solution

The fourth proportional to 944.47, 1,303.59 and 571.69 is: 789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.47 : 1,303.59 = 571.69 : x
  2. Step 2: Convert to fraction form
    944.47/1,303.59 = 571.69/x
  3. Step 3: Cross multiply
    944.47x = 1,303.59 × 571.69
  4. Step 4: Simplify right side
    944.47x = 745,249.37
  5. Step 5: Solve for x
    x = 745,249.37/944.47
  6. Step 6: Final answer
    x = 789.07

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Double scale
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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.