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Finding the Fourth Proportional to 679.04, 936.25 and 573.94

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Solution

The fourth proportional to 679.04, 936.25 and 573.94 is: 791.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    679.04 : 936.25 = 573.94 : x
  2. Step 2: Convert to fraction form
    679.04/936.25 = 573.94/x
  3. Step 3: Cross multiply
    679.04x = 936.25 × 573.94
  4. Step 4: Simplify right side
    679.04x = 537,347.55
  5. Step 5: Solve for x
    x = 537,347.55/679.04
  6. Step 6: Final answer
    x = 791.34

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1.5x scale

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.