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Finding the Fourth Proportional to 425.00, 586.49 and 247.96

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Solution

The fourth proportional to 425.00, 586.49 and 247.96 is: 342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    425.00 : 586.49 = 247.96 : x
  2. Step 2: Convert to fraction form
    425.00/586.49 = 247.96/x
  3. Step 3: Cross multiply
    425.00x = 586.49 × 247.96
  4. Step 4: Simplify right side
    425.00x = 145,426.95
  5. Step 5: Solve for x
    x = 145,426.95/425.00
  6. Step 6: Final answer
    x = 342.18

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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.