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Finding the Fourth Proportional to 175.62, 264.45 and 153.05

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Solution

The fourth proportional to 175.62, 264.45 and 153.05 is: 230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.62 : 264.45 = 153.05 : x
  2. Step 2: Convert to fraction form
    175.62/264.45 = 153.05/x
  3. Step 3: Cross multiply
    175.62x = 264.45 × 153.05
  4. Step 4: Simplify right side
    175.62x = 40,475.12
  5. Step 5: Solve for x
    x = 40,475.12/175.62
  6. Step 6: Final answer
    x = 230.48

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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.