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Finding the Fourth Proportional to 571.35, 856.11 and 224.28

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Solution

The fourth proportional to 571.35, 856.11 and 224.28 is: 336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.35 : 856.11 = 224.28 : x
  2. Step 2: Convert to fraction form
    571.35/856.11 = 224.28/x
  3. Step 3: Cross multiply
    571.35x = 856.11 × 224.28
  4. Step 4: Simplify right side
    571.35x = 192,008.35
  5. Step 5: Solve for x
    x = 192,008.35/571.35
  6. Step 6: Final answer
    x = 336.06

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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.