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Finding the Fourth Proportional to 937.19, 1,293.56 and 583.32

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Solution

The fourth proportional to 937.19, 1,293.56 and 583.32 is: 805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.19 : 1,293.56 = 583.32 : x
  2. Step 2: Convert to fraction form
    937.19/1,293.56 = 583.32/x
  3. Step 3: Cross multiply
    937.19x = 1,293.56 × 583.32
  4. Step 4: Simplify right side
    937.19x = 754,556.50
  5. Step 5: Solve for x
    x = 754,556.50/937.19
  6. Step 6: Final answer
    x = 805.13

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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.