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Finding the Fourth Proportional to 1,562.31, 2,344.32 and 522.63

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Solution

The fourth proportional to 1,562.31, 2,344.32 and 522.63 is: 784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.31 : 2,344.32 = 522.63 : x
  2. Step 2: Convert to fraction form
    1,562.31/2,344.32 = 522.63/x
  3. Step 3: Cross multiply
    1,562.31x = 2,344.32 × 522.63
  4. Step 4: Simplify right side
    1,562.31x = 1,225,211.96
  5. Step 5: Solve for x
    x = 1,225,211.96/1,562.31
  6. Step 6: Final answer
    x = 784.23

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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.