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Finding the Fourth Proportional to 569.89, 854.37 and 483.31

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Solution

The fourth proportional to 569.89, 854.37 and 483.31 is: 724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.89 : 854.37 = 483.31 : x
  2. Step 2: Convert to fraction form
    569.89/854.37 = 483.31/x
  3. Step 3: Cross multiply
    569.89x = 854.37 × 483.31
  4. Step 4: Simplify right side
    569.89x = 412,925.56
  5. Step 5: Solve for x
    x = 412,925.56/569.89
  6. Step 6: Final answer
    x = 724.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.