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Finding the Fourth Proportional to 529.84, 795.03 and 489.75

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Solution

The fourth proportional to 529.84, 795.03 and 489.75 is: 734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.84 : 795.03 = 489.75 : x
  2. Step 2: Convert to fraction form
    529.84/795.03 = 489.75/x
  3. Step 3: Cross multiply
    529.84x = 795.03 × 489.75
  4. Step 4: Simplify right side
    529.84x = 389,361.97
  5. Step 5: Solve for x
    x = 389,361.97/529.84
  6. Step 6: Final answer
    x = 734.87

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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.