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Finding the Fourth Proportional to 383.10, 573.54 and 237.84

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Solution

The fourth proportional to 383.10, 573.54 and 237.84 is: 356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.10 : 573.54 = 237.84 : x
  2. Step 2: Convert to fraction form
    383.10/573.54 = 237.84/x
  3. Step 3: Cross multiply
    383.10x = 573.54 × 237.84
  4. Step 4: Simplify right side
    383.10x = 136,410.75
  5. Step 5: Solve for x
    x = 136,410.75/383.10
  6. Step 6: Final answer
    x = 356.07

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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.