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Finding the Fourth Proportional to 997.64, 1,495.92 and 304.01

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Solution

The fourth proportional to 997.64, 1,495.92 and 304.01 is: 455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    997.64 : 1,495.92 = 304.01 : x
  2. Step 2: Convert to fraction form
    997.64/1,495.92 = 304.01/x
  3. Step 3: Cross multiply
    997.64x = 1,495.92 × 304.01
  4. Step 4: Simplify right side
    997.64x = 454,774.64
  5. Step 5: Solve for x
    x = 454,774.64/997.64
  6. Step 6: Final answer
    x = 455.85

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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.