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Finding the Fourth Proportional to 46.01, 63.48 and 30.46

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Solution

The fourth proportional to 46.01, 63.48 and 30.46 is: 42.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.01 : 63.48 = 30.46 : x
  2. Step 2: Convert to fraction form
    46.01/63.48 = 30.46/x
  3. Step 3: Cross multiply
    46.01x = 63.48 × 30.46
  4. Step 4: Simplify right side
    46.01x = 1,933.60
  5. Step 5: Solve for x
    x = 1,933.60/46.01
  6. Step 6: Final answer
    x = 42.03

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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.