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Finding the Fourth Proportional to 95.07, 131.04 and 94.77

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Solution

The fourth proportional to 95.07, 131.04 and 94.77 is: 130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.07 : 131.04 = 94.77 : x
  2. Step 2: Convert to fraction form
    95.07/131.04 = 94.77/x
  3. Step 3: Cross multiply
    95.07x = 131.04 × 94.77
  4. Step 4: Simplify right side
    95.07x = 12,418.66
  5. Step 5: Solve for x
    x = 12,418.66/95.07
  6. Step 6: Final answer
    x = 130.63

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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.