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Finding the Fourth Proportional to 665.03, 997.54 and 232.08

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Solution

The fourth proportional to 665.03, 997.54 and 232.08 is: 348.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    665.03 : 997.54 = 232.08 : x
  2. Step 2: Convert to fraction form
    665.03/997.54 = 232.08/x
  3. Step 3: Cross multiply
    665.03x = 997.54 × 232.08
  4. Step 4: Simplify right side
    665.03x = 231,509.08
  5. Step 5: Solve for x
    x = 231,509.08/665.03
  6. Step 6: Final answer
    x = 348.12

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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.