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Finding the Fourth Proportional to 944.51, 1,303.43 and 571.37

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Solution

The fourth proportional to 944.51, 1,303.43 and 571.37 is: 788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.51 : 1,303.43 = 571.37 : x
  2. Step 2: Convert to fraction form
    944.51/1,303.43 = 571.37/x
  3. Step 3: Cross multiply
    944.51x = 1,303.43 × 571.37
  4. Step 4: Simplify right side
    944.51x = 744,731.43
  5. Step 5: Solve for x
    x = 744,731.43/944.51
  6. Step 6: Final answer
    x = 788.49

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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.