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Finding the Fourth Proportional to 522.51, 720.83 and 367.35

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Solution

The fourth proportional to 522.51, 720.83 and 367.35 is: 506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.51 : 720.83 = 367.35 : x
  2. Step 2: Convert to fraction form
    522.51/720.83 = 367.35/x
  3. Step 3: Cross multiply
    522.51x = 720.83 × 367.35
  4. Step 4: Simplify right side
    522.51x = 264,795.06
  5. Step 5: Solve for x
    x = 264,795.06/522.51
  6. Step 6: Final answer
    x = 506.78

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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.