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Finding the Fourth Proportional to 926.23, 1,277.69 and 594.70

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Solution

The fourth proportional to 926.23, 1,277.69 and 594.70 is: 820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    926.23 : 1,277.69 = 594.70 : x
  2. Step 2: Convert to fraction form
    926.23/1,277.69 = 594.70/x
  3. Step 3: Cross multiply
    926.23x = 1,277.69 × 594.70
  4. Step 4: Simplify right side
    926.23x = 759,843.95
  5. Step 5: Solve for x
    x = 759,843.95/926.23
  6. Step 6: Final answer
    x = 820.37

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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.