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Finding the Fourth Proportional to 35.30, 48.68 and 24.95

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Solution

The fourth proportional to 35.30, 48.68 and 24.95 is: 34.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.30 : 48.68 = 24.95 : x
  2. Step 2: Convert to fraction form
    35.30/48.68 = 24.95/x
  3. Step 3: Cross multiply
    35.30x = 48.68 × 24.95
  4. Step 4: Simplify right side
    35.30x = 1,214.57
  5. Step 5: Solve for x
    x = 1,214.57/35.30
  6. Step 6: Final answer
    x = 34.41

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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.