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Finding the Fourth Proportional to 332.98, 499.51 and 203.08

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Solution

The fourth proportional to 332.98, 499.51 and 203.08 is: 304.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.98 : 499.51 = 203.08 : x
  2. Step 2: Convert to fraction form
    332.98/499.51 = 203.08/x
  3. Step 3: Cross multiply
    332.98x = 499.51 × 203.08
  4. Step 4: Simplify right side
    332.98x = 101,440.49
  5. Step 5: Solve for x
    x = 101,440.49/332.98
  6. Step 6: Final answer
    x = 304.64

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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.