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Finding the Fourth Proportional to 95.16, 130.47 and 93.34

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Solution

The fourth proportional to 95.16, 130.47 and 93.34 is: 127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.16 : 130.47 = 93.34 : x
  2. Step 2: Convert to fraction form
    95.16/130.47 = 93.34/x
  3. Step 3: Cross multiply
    95.16x = 130.47 × 93.34
  4. Step 4: Simplify right side
    95.16x = 12,176.95
  5. Step 5: Solve for x
    x = 12,176.95/95.16
  6. Step 6: Final answer
    x = 127.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.