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Finding the Fourth Proportional to 583.53, 879.31 and 483.07

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Solution

The fourth proportional to 583.53, 879.31 and 483.07 is: 727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.53 : 879.31 = 483.07 : x
  2. Step 2: Convert to fraction form
    583.53/879.31 = 483.07/x
  3. Step 3: Cross multiply
    583.53x = 879.31 × 483.07
  4. Step 4: Simplify right side
    583.53x = 424,768.28
  5. Step 5: Solve for x
    x = 424,768.28/583.53
  6. Step 6: Final answer
    x = 727.93

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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.