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Finding the Fourth Proportional to 383.24, 529.08 and 250.52

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Solution

The fourth proportional to 383.24, 529.08 and 250.52 is: 345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.24 : 529.08 = 250.52 : x
  2. Step 2: Convert to fraction form
    383.24/529.08 = 250.52/x
  3. Step 3: Cross multiply
    383.24x = 529.08 × 250.52
  4. Step 4: Simplify right side
    383.24x = 132,545.12
  5. Step 5: Solve for x
    x = 132,545.12/383.24
  6. Step 6: Final answer
    x = 345.85

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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.