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Finding the Fourth Proportional to 383.46, 529.25 and 265.41

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Solution

The fourth proportional to 383.46, 529.25 and 265.41 is: 366.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.46 : 529.25 = 265.41 : x
  2. Step 2: Convert to fraction form
    383.46/529.25 = 265.41/x
  3. Step 3: Cross multiply
    383.46x = 529.25 × 265.41
  4. Step 4: Simplify right side
    383.46x = 140,468.24
  5. Step 5: Solve for x
    x = 140,468.24/383.46
  6. Step 6: Final answer
    x = 366.32

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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.