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Finding the Fourth Proportional to 103.17, 153.99 and 95.04

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Solution

The fourth proportional to 103.17, 153.99 and 95.04 is: 141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103.17 : 153.99 = 95.04 : x
  2. Step 2: Convert to fraction form
    103.17/153.99 = 95.04/x
  3. Step 3: Cross multiply
    103.17x = 153.99 × 95.04
  4. Step 4: Simplify right side
    103.17x = 14,635.21
  5. Step 5: Solve for x
    x = 14,635.21/103.17
  6. Step 6: Final answer
    x = 141.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.