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Finding the Fourth Proportional to 571.46, 857.46 and 246.92

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Solution

The fourth proportional to 571.46, 857.46 and 246.92 is: 370.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.46 : 857.46 = 246.92 : x
  2. Step 2: Convert to fraction form
    571.46/857.46 = 246.92/x
  3. Step 3: Cross multiply
    571.46x = 857.46 × 246.92
  4. Step 4: Simplify right side
    571.46x = 211,724.02
  5. Step 5: Solve for x
    x = 211,724.02/571.46
  6. Step 6: Final answer
    x = 370.50

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Double scale
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Similar ratio
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1.5x scale

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.