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Finding the Fourth Proportional to 263.32, 395.06 and 101.02

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Solution

The fourth proportional to 263.32, 395.06 and 101.02 is: 151.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.32 : 395.06 = 101.02 : x
  2. Step 2: Convert to fraction form
    263.32/395.06 = 101.02/x
  3. Step 3: Cross multiply
    263.32x = 395.06 × 101.02
  4. Step 4: Simplify right side
    263.32x = 39,908.96
  5. Step 5: Solve for x
    x = 39,908.96/263.32
  6. Step 6: Final answer
    x = 151.56

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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.