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Finding the Fourth Proportional to 1,234.98, 1,852.50 and 541.29

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Solution

The fourth proportional to 1,234.98, 1,852.50 and 541.29 is: 811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.98 : 1,852.50 = 541.29 : x
  2. Step 2: Convert to fraction form
    1,234.98/1,852.50 = 541.29/x
  3. Step 3: Cross multiply
    1,234.98x = 1,852.50 × 541.29
  4. Step 4: Simplify right side
    1,234.98x = 1,002,748.70
  5. Step 5: Solve for x
    x = 1,002,748.70/1,234.98
  6. Step 6: Final answer
    x = 811.96

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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.