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Finding the Fourth Proportional to 264.61, 396.83 and 149.03

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Solution

The fourth proportional to 264.61, 396.83 and 149.03 is: 223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.61 : 396.83 = 149.03 : x
  2. Step 2: Convert to fraction form
    264.61/396.83 = 149.03/x
  3. Step 3: Cross multiply
    264.61x = 396.83 × 149.03
  4. Step 4: Simplify right side
    264.61x = 59,139.57
  5. Step 5: Solve for x
    x = 59,139.57/264.61
  6. Step 6: Final answer
    x = 223.50

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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.