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Finding the Fourth Proportional to 534.98, 800.94 and 483.72

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Solution

The fourth proportional to 534.98, 800.94 and 483.72 is: 724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.98 : 800.94 = 483.72 : x
  2. Step 2: Convert to fraction form
    534.98/800.94 = 483.72/x
  3. Step 3: Cross multiply
    534.98x = 800.94 × 483.72
  4. Step 4: Simplify right side
    534.98x = 387,430.70
  5. Step 5: Solve for x
    x = 387,430.70/534.98
  6. Step 6: Final answer
    x = 724.20

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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.