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Finding the Fourth Proportional to 62.40, 94.02 and 62.40

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Solution

The fourth proportional to 62.40, 94.02 and 62.40 is: 94.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.40 : 94.02 = 62.40 : x
  2. Step 2: Convert to fraction form
    62.40/94.02 = 62.40/x
  3. Step 3: Cross multiply
    62.40x = 94.02 × 62.40
  4. Step 4: Simplify right side
    62.40x = 5,866.85
  5. Step 5: Solve for x
    x = 5,866.85/62.40
  6. Step 6: Final answer
    x = 94.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.