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Finding the Fourth Proportional to 29.33, 40.26 and 26.60

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Solution

The fourth proportional to 29.33, 40.26 and 26.60 is: 36.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.33 : 40.26 = 26.60 : x
  2. Step 2: Convert to fraction form
    29.33/40.26 = 26.60/x
  3. Step 3: Cross multiply
    29.33x = 40.26 × 26.60
  4. Step 4: Simplify right side
    29.33x = 1,070.77
  5. Step 5: Solve for x
    x = 1,070.77/29.33
  6. Step 6: Final answer
    x = 36.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.