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Finding the Fourth Proportional to 506.36, 698.28 and 382.02

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Solution

The fourth proportional to 506.36, 698.28 and 382.02 is: 526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.36 : 698.28 = 382.02 : x
  2. Step 2: Convert to fraction form
    506.36/698.28 = 382.02/x
  3. Step 3: Cross multiply
    506.36x = 698.28 × 382.02
  4. Step 4: Simplify right side
    506.36x = 266,756.93
  5. Step 5: Solve for x
    x = 266,756.93/506.36
  6. Step 6: Final answer
    x = 526.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.