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Finding the Fourth Proportional to 483.70, 724.92 and 374.98

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Solution

The fourth proportional to 483.70, 724.92 and 374.98 is: 561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.70 : 724.92 = 374.98 : x
  2. Step 2: Convert to fraction form
    483.70/724.92 = 374.98/x
  3. Step 3: Cross multiply
    483.70x = 724.92 × 374.98
  4. Step 4: Simplify right side
    483.70x = 271,830.50
  5. Step 5: Solve for x
    x = 271,830.50/483.70
  6. Step 6: Final answer
    x = 561.98

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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.