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Finding the Fourth Proportional to 297.63, 445.86 and 235.58

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Solution

The fourth proportional to 297.63, 445.86 and 235.58 is: 352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.63 : 445.86 = 235.58 : x
  2. Step 2: Convert to fraction form
    297.63/445.86 = 235.58/x
  3. Step 3: Cross multiply
    297.63x = 445.86 × 235.58
  4. Step 4: Simplify right side
    297.63x = 105,036.81
  5. Step 5: Solve for x
    x = 105,036.81/297.63
  6. Step 6: Final answer
    x = 352.91

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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.