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Finding the Fourth Proportional to 522.31, 719.25 and 467.03

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Solution

The fourth proportional to 522.31, 719.25 and 467.03 is: 643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.31 : 719.25 = 467.03 : x
  2. Step 2: Convert to fraction form
    522.31/719.25 = 467.03/x
  3. Step 3: Cross multiply
    522.31x = 719.25 × 467.03
  4. Step 4: Simplify right side
    522.31x = 335,907.73
  5. Step 5: Solve for x
    x = 335,907.73/522.31
  6. Step 6: Final answer
    x = 643.13

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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.