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Finding the Fourth Proportional to 62.19, 93.21 and 35.07

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Solution

The fourth proportional to 62.19, 93.21 and 35.07 is: 52.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.19 : 93.21 = 35.07 : x
  2. Step 2: Convert to fraction form
    62.19/93.21 = 35.07/x
  3. Step 3: Cross multiply
    62.19x = 93.21 × 35.07
  4. Step 4: Simplify right side
    62.19x = 3,268.87
  5. Step 5: Solve for x
    x = 3,268.87/62.19
  6. Step 6: Final answer
    x = 52.56

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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.