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Finding the Fourth Proportional to 104.84, 157.28 and 62

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Solution

The fourth proportional to 104.84, 157.28 and 62 is: 93.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.84 : 157.28 = 62 : x
  2. Step 2: Convert to fraction form
    104.84/157.28 = 62/x
  3. Step 3: Cross multiply
    104.84x = 157.28 × 62
  4. Step 4: Simplify right side
    104.84x = 9,751.36
  5. Step 5: Solve for x
    x = 9,751.36/104.84
  6. Step 6: Final answer
    x = 93.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.