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Finding the Fourth Proportional to 283.54, 390.59 and 246.63

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Solution

The fourth proportional to 283.54, 390.59 and 246.63 is: 339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.54 : 390.59 = 246.63 : x
  2. Step 2: Convert to fraction form
    283.54/390.59 = 246.63/x
  3. Step 3: Cross multiply
    283.54x = 390.59 × 246.63
  4. Step 4: Simplify right side
    283.54x = 96,329.98
  5. Step 5: Solve for x
    x = 96,329.98/283.54
  6. Step 6: Final answer
    x = 339.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.