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Finding the Fourth Proportional to 35.67, 53.32 and 29.55

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Solution

The fourth proportional to 35.67, 53.32 and 29.55 is: 44.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.67 : 53.32 = 29.55 : x
  2. Step 2: Convert to fraction form
    35.67/53.32 = 29.55/x
  3. Step 3: Cross multiply
    35.67x = 53.32 × 29.55
  4. Step 4: Simplify right side
    35.67x = 1,575.53
  5. Step 5: Solve for x
    x = 1,575.53/35.67
  6. Step 6: Final answer
    x = 44.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.