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Finding the Fourth Proportional to 175.03, 262.53 and 45.02

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Solution

The fourth proportional to 175.03, 262.53 and 45.02 is: 67.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.03 : 262.53 = 45.02 : x
  2. Step 2: Convert to fraction form
    175.03/262.53 = 45.02/x
  3. Step 3: Cross multiply
    175.03x = 262.53 × 45.02
  4. Step 4: Simplify right side
    175.03x = 11,819.10
  5. Step 5: Solve for x
    x = 11,819.10/175.03
  6. Step 6: Final answer
    x = 67.53

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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.