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Finding the Fourth Proportional to 383.02, 529.10 and 341.56

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Solution

The fourth proportional to 383.02, 529.10 and 341.56 is: 471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.02 : 529.10 = 341.56 : x
  2. Step 2: Convert to fraction form
    383.02/529.10 = 341.56/x
  3. Step 3: Cross multiply
    383.02x = 529.10 × 341.56
  4. Step 4: Simplify right side
    383.02x = 180,718.93
  5. Step 5: Solve for x
    x = 180,718.93/383.02
  6. Step 6: Final answer
    x = 471.83

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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.