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Finding the Fourth Proportional to 437.85, 657.06 and 194.58

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Solution

The fourth proportional to 437.85, 657.06 and 194.58 is: 292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.85 : 657.06 = 194.58 : x
  2. Step 2: Convert to fraction form
    437.85/657.06 = 194.58/x
  3. Step 3: Cross multiply
    437.85x = 657.06 × 194.58
  4. Step 4: Simplify right side
    437.85x = 127,850.73
  5. Step 5: Solve for x
    x = 127,850.73/437.85
  6. Step 6: Final answer
    x = 292.00

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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.