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Finding the Fourth Proportional to 332.41, 458.72 and 188.68

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Solution

The fourth proportional to 332.41, 458.72 and 188.68 is: 260.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.41 : 458.72 = 188.68 : x
  2. Step 2: Convert to fraction form
    332.41/458.72 = 188.68/x
  3. Step 3: Cross multiply
    332.41x = 458.72 × 188.68
  4. Step 4: Simplify right side
    332.41x = 86,549.00
  5. Step 5: Solve for x
    x = 86,549.00/332.41
  6. Step 6: Final answer
    x = 260.37

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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.