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Finding the Fourth Proportional to 624.87, 937.02 and 259.44

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Solution

The fourth proportional to 624.87, 937.02 and 259.44 is: 389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.87 : 937.02 = 259.44 : x
  2. Step 2: Convert to fraction form
    624.87/937.02 = 259.44/x
  3. Step 3: Cross multiply
    624.87x = 937.02 × 259.44
  4. Step 4: Simplify right side
    624.87x = 243,100.47
  5. Step 5: Solve for x
    x = 243,100.47/624.87
  6. Step 6: Final answer
    x = 389.04

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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.