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Finding the Fourth Proportional to 583.91, 879.88 and 483.45

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Solution

The fourth proportional to 583.91, 879.88 and 483.45 is: 728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.91 : 879.88 = 483.45 : x
  2. Step 2: Convert to fraction form
    583.91/879.88 = 483.45/x
  3. Step 3: Cross multiply
    583.91x = 879.88 × 483.45
  4. Step 4: Simplify right side
    583.91x = 425,375.57
  5. Step 5: Solve for x
    x = 425,375.57/583.91
  6. Step 6: Final answer
    x = 728.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.