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Finding the Fourth Proportional to 407.01, 610.77 and 224.54

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Solution

The fourth proportional to 407.01, 610.77 and 224.54 is: 336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.01 : 610.77 = 224.54 : x
  2. Step 2: Convert to fraction form
    407.01/610.77 = 224.54/x
  3. Step 3: Cross multiply
    407.01x = 610.77 × 224.54
  4. Step 4: Simplify right side
    407.01x = 137,142.37
  5. Step 5: Solve for x
    x = 137,142.37/407.01
  6. Step 6: Final answer
    x = 336.95

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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.