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Finding the Fourth Proportional to 95.04, 143.19 and 94.23

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Solution

The fourth proportional to 95.04, 143.19 and 94.23 is: 141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.04 : 143.19 = 94.23 : x
  2. Step 2: Convert to fraction form
    95.04/143.19 = 94.23/x
  3. Step 3: Cross multiply
    95.04x = 143.19 × 94.23
  4. Step 4: Simplify right side
    95.04x = 13,492.79
  5. Step 5: Solve for x
    x = 13,492.79/95.04
  6. Step 6: Final answer
    x = 141.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.