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Finding the Fourth Proportional to 332.55, 497.59 and 200.85

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Solution

The fourth proportional to 332.55, 497.59 and 200.85 is: 300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.55 : 497.59 = 200.85 : x
  2. Step 2: Convert to fraction form
    332.55/497.59 = 200.85/x
  3. Step 3: Cross multiply
    332.55x = 497.59 × 200.85
  4. Step 4: Simplify right side
    332.55x = 99,942.51
  5. Step 5: Solve for x
    x = 99,942.51/332.55
  6. Step 6: Final answer
    x = 300.53

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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.