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Finding the Fourth Proportional to 431.16, 595.01 and 234.68

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Solution

The fourth proportional to 431.16, 595.01 and 234.68 is: 323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.16 : 595.01 = 234.68 : x
  2. Step 2: Convert to fraction form
    431.16/595.01 = 234.68/x
  3. Step 3: Cross multiply
    431.16x = 595.01 × 234.68
  4. Step 4: Simplify right side
    431.16x = 139,632.80
  5. Step 5: Solve for x
    x = 139,632.80/431.16
  6. Step 6: Final answer
    x = 323.85

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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.