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Finding the Fourth Proportional to 332.55, 499.15 and 170.35

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Solution

The fourth proportional to 332.55, 499.15 and 170.35 is: 255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.55 : 499.15 = 170.35 : x
  2. Step 2: Convert to fraction form
    332.55/499.15 = 170.35/x
  3. Step 3: Cross multiply
    332.55x = 499.15 × 170.35
  4. Step 4: Simplify right side
    332.55x = 85,030.20
  5. Step 5: Solve for x
    x = 85,030.20/332.55
  6. Step 6: Final answer
    x = 255.69

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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.