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Finding the Fourth Proportional to 62.06, 93.14 and 49.18

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Solution

The fourth proportional to 62.06, 93.14 and 49.18 is: 73.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.06 : 93.14 = 49.18 : x
  2. Step 2: Convert to fraction form
    62.06/93.14 = 49.18/x
  3. Step 3: Cross multiply
    62.06x = 93.14 × 49.18
  4. Step 4: Simplify right side
    62.06x = 4,579.91
  5. Step 5: Solve for x
    x = 4,579.91/62.06
  6. Step 6: Final answer
    x = 73.80

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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.