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Finding the Fourth Proportional to 535.43, 801.84 and 483.49

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Solution

The fourth proportional to 535.43, 801.84 and 483.49 is: 724.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.43 : 801.84 = 483.49 : x
  2. Step 2: Convert to fraction form
    535.43/801.84 = 483.49/x
  3. Step 3: Cross multiply
    535.43x = 801.84 × 483.49
  4. Step 4: Simplify right side
    535.43x = 387,683.63
  5. Step 5: Solve for x
    x = 387,683.63/535.43
  6. Step 6: Final answer
    x = 724.06

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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.