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Finding the Fourth Proportional to 62.19, 93.18 and 45.04

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Solution

The fourth proportional to 62.19, 93.18 and 45.04 is: 67.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.19 : 93.18 = 45.04 : x
  2. Step 2: Convert to fraction form
    62.19/93.18 = 45.04/x
  3. Step 3: Cross multiply
    62.19x = 93.18 × 45.04
  4. Step 4: Simplify right side
    62.19x = 4,196.83
  5. Step 5: Solve for x
    x = 4,196.83/62.19
  6. Step 6: Final answer
    x = 67.48

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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.