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Finding the Fourth Proportional to 462.02, 693.02 and 269.50

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Solution

The fourth proportional to 462.02, 693.02 and 269.50 is: 404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.02 : 693.02 = 269.50 : x
  2. Step 2: Convert to fraction form
    462.02/693.02 = 269.50/x
  3. Step 3: Cross multiply
    462.02x = 693.02 × 269.50
  4. Step 4: Simplify right side
    462.02x = 186,768.89
  5. Step 5: Solve for x
    x = 186,768.89/462.02
  6. Step 6: Final answer
    x = 404.24

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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.