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Finding the Fourth Proportional to 175.02, 263.90 and 155.17

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Solution

The fourth proportional to 175.02, 263.90 and 155.17 is: 233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.02 : 263.90 = 155.17 : x
  2. Step 2: Convert to fraction form
    175.02/263.90 = 155.17/x
  3. Step 3: Cross multiply
    175.02x = 263.90 × 155.17
  4. Step 4: Simplify right side
    175.02x = 40,949.36
  5. Step 5: Solve for x
    x = 40,949.36/175.02
  6. Step 6: Final answer
    x = 233.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.