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Finding the Fourth Proportional to 45.01, 62.01 and 42.58

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Solution

The fourth proportional to 45.01, 62.01 and 42.58 is: 58.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.01 : 62.01 = 42.58 : x
  2. Step 2: Convert to fraction form
    45.01/62.01 = 42.58/x
  3. Step 3: Cross multiply
    45.01x = 62.01 × 42.58
  4. Step 4: Simplify right side
    45.01x = 2,640.39
  5. Step 5: Solve for x
    x = 2,640.39/45.01
  6. Step 6: Final answer
    x = 58.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.