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Finding the Fourth Proportional to 62.34, 93.33 and 45.02

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Solution

The fourth proportional to 62.34, 93.33 and 45.02 is: 67.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.34 : 93.33 = 45.02 : x
  2. Step 2: Convert to fraction form
    62.34/93.33 = 45.02/x
  3. Step 3: Cross multiply
    62.34x = 93.33 × 45.02
  4. Step 4: Simplify right side
    62.34x = 4,201.25
  5. Step 5: Solve for x
    x = 4,201.25/62.34
  6. Step 6: Final answer
    x = 67.39

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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.