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Finding the Fourth Proportional to 332.03, 498.07 and 100.91

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Solution

The fourth proportional to 332.03, 498.07 and 100.91 is: 151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.03 : 498.07 = 100.91 : x
  2. Step 2: Convert to fraction form
    332.03/498.07 = 100.91/x
  3. Step 3: Cross multiply
    332.03x = 498.07 × 100.91
  4. Step 4: Simplify right side
    332.03x = 50,258.75
  5. Step 5: Solve for x
    x = 50,258.75/332.03
  6. Step 6: Final answer
    x = 151.37

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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.