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Finding the Fourth Proportional to 430.91, 594.63 and 234.42

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Solution

The fourth proportional to 430.91, 594.63 and 234.42 is: 323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.91 : 594.63 = 234.42 : x
  2. Step 2: Convert to fraction form
    430.91/594.63 = 234.42/x
  3. Step 3: Cross multiply
    430.91x = 594.63 × 234.42
  4. Step 4: Simplify right side
    430.91x = 139,393.16
  5. Step 5: Solve for x
    x = 139,393.16/430.91
  6. Step 6: Final answer
    x = 323.49

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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.