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Finding the Fourth Proportional to 44.19, 66.35 and 29.03

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Solution

The fourth proportional to 44.19, 66.35 and 29.03 is: 43.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.19 : 66.35 = 29.03 : x
  2. Step 2: Convert to fraction form
    44.19/66.35 = 29.03/x
  3. Step 3: Cross multiply
    44.19x = 66.35 × 29.03
  4. Step 4: Simplify right side
    44.19x = 1,925.88
  5. Step 5: Solve for x
    x = 1,925.88/44.19
  6. Step 6: Final answer
    x = 43.58

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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.