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Finding the Fourth Proportional to 63.04, 86.99 and 35.41

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Solution

The fourth proportional to 63.04, 86.99 and 35.41 is: 48.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.04 : 86.99 = 35.41 : x
  2. Step 2: Convert to fraction form
    63.04/86.99 = 35.41/x
  3. Step 3: Cross multiply
    63.04x = 86.99 × 35.41
  4. Step 4: Simplify right side
    63.04x = 3,080.32
  5. Step 5: Solve for x
    x = 3,080.32/63.04
  6. Step 6: Final answer
    x = 48.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.