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Finding the Fourth Proportional to 175.03, 240.25 and 154.92

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Solution

The fourth proportional to 175.03, 240.25 and 154.92 is: 212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.03 : 240.25 = 154.92 : x
  2. Step 2: Convert to fraction form
    175.03/240.25 = 154.92/x
  3. Step 3: Cross multiply
    175.03x = 240.25 × 154.92
  4. Step 4: Simplify right side
    175.03x = 37,219.53
  5. Step 5: Solve for x
    x = 37,219.53/175.03
  6. Step 6: Final answer
    x = 212.65

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.