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Finding the Fourth Proportional to 607.37, 910.19 and 298.88

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Solution

The fourth proportional to 607.37, 910.19 and 298.88 is: 447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.37 : 910.19 = 298.88 : x
  2. Step 2: Convert to fraction form
    607.37/910.19 = 298.88/x
  3. Step 3: Cross multiply
    607.37x = 910.19 × 298.88
  4. Step 4: Simplify right side
    607.37x = 272,037.59
  5. Step 5: Solve for x
    x = 272,037.59/607.37
  6. Step 6: Final answer
    x = 447.89

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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.