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Finding the Fourth Proportional to 332.72, 498.60 and 188.13

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Solution

The fourth proportional to 332.72, 498.60 and 188.13 is: 281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.72 : 498.60 = 188.13 : x
  2. Step 2: Convert to fraction form
    332.72/498.60 = 188.13/x
  3. Step 3: Cross multiply
    332.72x = 498.60 × 188.13
  4. Step 4: Simplify right side
    332.72x = 93,801.62
  5. Step 5: Solve for x
    x = 93,801.62/332.72
  6. Step 6: Final answer
    x = 281.92

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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.