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Finding the Fourth Proportional to 537.40, 806.10 and 364.60

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Solution

The fourth proportional to 537.40, 806.10 and 364.60 is: 546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.40 : 806.10 = 364.60 : x
  2. Step 2: Convert to fraction form
    537.40/806.10 = 364.60/x
  3. Step 3: Cross multiply
    537.40x = 806.10 × 364.60
  4. Step 4: Simplify right side
    537.40x = 293,904.06
  5. Step 5: Solve for x
    x = 293,904.06/537.40
  6. Step 6: Final answer
    x = 546.90

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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.