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Finding the Fourth Proportional to 35.33, 52.93 and 25.65

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Solution

The fourth proportional to 35.33, 52.93 and 25.65 is: 38.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.33 : 52.93 = 25.65 : x
  2. Step 2: Convert to fraction form
    35.33/52.93 = 25.65/x
  3. Step 3: Cross multiply
    35.33x = 52.93 × 25.65
  4. Step 4: Simplify right side
    35.33x = 1,357.89
  5. Step 5: Solve for x
    x = 1,357.89/35.33
  6. Step 6: Final answer
    x = 38.44

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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.