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Finding the Fourth Proportional to 45.63, 62.42 and 44.93

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Solution

The fourth proportional to 45.63, 62.42 and 44.93 is: 61.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.63 : 62.42 = 44.93 : x
  2. Step 2: Convert to fraction form
    45.63/62.42 = 44.93/x
  3. Step 3: Cross multiply
    45.63x = 62.42 × 44.93
  4. Step 4: Simplify right side
    45.63x = 2,803.99
  5. Step 5: Solve for x
    x = 2,803.99/45.63
  6. Step 6: Final answer
    x = 61.45

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.