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Finding the Fourth Proportional to 500.18, 750.17 and 475.49

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Solution

The fourth proportional to 500.18, 750.17 and 475.49 is: 713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.18 : 750.17 = 475.49 : x
  2. Step 2: Convert to fraction form
    500.18/750.17 = 475.49/x
  3. Step 3: Cross multiply
    500.18x = 750.17 × 475.49
  4. Step 4: Simplify right side
    500.18x = 356,701.40
  5. Step 5: Solve for x
    x = 356,701.40/500.18
  6. Step 6: Final answer
    x = 713.15

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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.