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Finding the Fourth Proportional to 332.03, 497.88 and 126.45

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Solution

The fourth proportional to 332.03, 497.88 and 126.45 is: 189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.03 : 497.88 = 126.45 : x
  2. Step 2: Convert to fraction form
    332.03/497.88 = 126.45/x
  3. Step 3: Cross multiply
    332.03x = 497.88 × 126.45
  4. Step 4: Simplify right side
    332.03x = 62,956.93
  5. Step 5: Solve for x
    x = 62,956.93/332.03
  6. Step 6: Final answer
    x = 189.61

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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.