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Finding the Fourth Proportional to 383.33, 526.10 and 346.43

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Solution

The fourth proportional to 383.33, 526.10 and 346.43 is: 475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.33 : 526.10 = 346.43 : x
  2. Step 2: Convert to fraction form
    383.33/526.10 = 346.43/x
  3. Step 3: Cross multiply
    383.33x = 526.10 × 346.43
  4. Step 4: Simplify right side
    383.33x = 182,253.45
  5. Step 5: Solve for x
    x = 182,253.45/383.33
  6. Step 6: Final answer
    x = 475.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.