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Finding the Fourth Proportional to 423.10, 583.91 and 246.07

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Solution

The fourth proportional to 423.10, 583.91 and 246.07 is: 339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.10 : 583.91 = 246.07 : x
  2. Step 2: Convert to fraction form
    423.10/583.91 = 246.07/x
  3. Step 3: Cross multiply
    423.10x = 583.91 × 246.07
  4. Step 4: Simplify right side
    423.10x = 143,682.73
  5. Step 5: Solve for x
    x = 143,682.73/423.10
  6. Step 6: Final answer
    x = 339.60

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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.