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Finding the Fourth Proportional to 332.84, 499.30 and 116.39

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Solution

The fourth proportional to 332.84, 499.30 and 116.39 is: 174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.84 : 499.30 = 116.39 : x
  2. Step 2: Convert to fraction form
    332.84/499.30 = 116.39/x
  3. Step 3: Cross multiply
    332.84x = 499.30 × 116.39
  4. Step 4: Simplify right side
    332.84x = 58,113.53
  5. Step 5: Solve for x
    x = 58,113.53/332.84
  6. Step 6: Final answer
    x = 174.60

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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.