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Finding the Fourth Proportional to 280.98, 423.27 and 244.80

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Solution

The fourth proportional to 280.98, 423.27 and 244.80 is: 368.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    280.98 : 423.27 = 244.80 : x
  2. Step 2: Convert to fraction form
    280.98/423.27 = 244.80/x
  3. Step 3: Cross multiply
    280.98x = 423.27 × 244.80
  4. Step 4: Simplify right side
    280.98x = 103,616.50
  5. Step 5: Solve for x
    x = 103,616.50/280.98
  6. Step 6: Final answer
    x = 368.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.