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Finding the Fourth Proportional to 472.70, 707.13 and 350.10

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Solution

The fourth proportional to 472.70, 707.13 and 350.10 is: 523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.70 : 707.13 = 350.10 : x
  2. Step 2: Convert to fraction form
    472.70/707.13 = 350.10/x
  3. Step 3: Cross multiply
    472.70x = 707.13 × 350.10
  4. Step 4: Simplify right side
    472.70x = 247,566.21
  5. Step 5: Solve for x
    x = 247,566.21/472.70
  6. Step 6: Final answer
    x = 523.73

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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.