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Finding the Fourth Proportional to 25.08, 34.77 and 24.70

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Solution

The fourth proportional to 25.08, 34.77 and 24.70 is: 34.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.08 : 34.77 = 24.70 : x
  2. Step 2: Convert to fraction form
    25.08/34.77 = 24.70/x
  3. Step 3: Cross multiply
    25.08x = 34.77 × 24.70
  4. Step 4: Simplify right side
    25.08x = 858.82
  5. Step 5: Solve for x
    x = 858.82/25.08
  6. Step 6: Final answer
    x = 34.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.