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Finding the Fourth Proportional to 472.36, 709.01 and 350.26

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Solution

The fourth proportional to 472.36, 709.01 and 350.26 is: 525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.36 : 709.01 = 350.26 : x
  2. Step 2: Convert to fraction form
    472.36/709.01 = 350.26/x
  3. Step 3: Cross multiply
    472.36x = 709.01 × 350.26
  4. Step 4: Simplify right side
    472.36x = 248,337.84
  5. Step 5: Solve for x
    x = 248,337.84/472.36
  6. Step 6: Final answer
    x = 525.74

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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.