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Finding the Fourth Proportional to 63.52, 87.63 and 48.01

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Solution

The fourth proportional to 63.52, 87.63 and 48.01 is: 66.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.52 : 87.63 = 48.01 : x
  2. Step 2: Convert to fraction form
    63.52/87.63 = 48.01/x
  3. Step 3: Cross multiply
    63.52x = 87.63 × 48.01
  4. Step 4: Simplify right side
    63.52x = 4,207.12
  5. Step 5: Solve for x
    x = 4,207.12/63.52
  6. Step 6: Final answer
    x = 66.23

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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.