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Finding the Fourth Proportional to 571.37, 856.10 and 466.70

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Solution

The fourth proportional to 571.37, 856.10 and 466.70 is: 699.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.37 : 856.10 = 466.70 : x
  2. Step 2: Convert to fraction form
    571.37/856.10 = 466.70/x
  3. Step 3: Cross multiply
    571.37x = 856.10 × 466.70
  4. Step 4: Simplify right side
    571.37x = 399,538.76
  5. Step 5: Solve for x
    x = 399,538.76/571.37
  6. Step 6: Final answer
    x = 699.27

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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.