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Finding the Fourth Proportional to 384.91, 575.90 and 234.08

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Solution

The fourth proportional to 384.91, 575.90 and 234.08 is: 350.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.91 : 575.90 = 234.08 : x
  2. Step 2: Convert to fraction form
    384.91/575.90 = 234.08/x
  3. Step 3: Cross multiply
    384.91x = 575.90 × 234.08
  4. Step 4: Simplify right side
    384.91x = 134,806.67
  5. Step 5: Solve for x
    x = 134,806.67/384.91
  6. Step 6: Final answer
    x = 350.23

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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.