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Finding the Fourth Proportional to 62.48, 93.60 and 48.98

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Solution

The fourth proportional to 62.48, 93.60 and 48.98 is: 73.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.48 : 93.60 = 48.98 : x
  2. Step 2: Convert to fraction form
    62.48/93.60 = 48.98/x
  3. Step 3: Cross multiply
    62.48x = 93.60 × 48.98
  4. Step 4: Simplify right side
    62.48x = 4,584.53
  5. Step 5: Solve for x
    x = 4,584.53/62.48
  6. Step 6: Final answer
    x = 73.38

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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.