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Finding the Fourth Proportional to 1,562.18, 2,343 and 522.08

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Solution

The fourth proportional to 1,562.18, 2,343 and 522.08 is: 783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.18 : 2,343 = 522.08 : x
  2. Step 2: Convert to fraction form
    1,562.18/2,343 = 522.08/x
  3. Step 3: Cross multiply
    1,562.18x = 2,343 × 522.08
  4. Step 4: Simplify right side
    1,562.18x = 1,223,233.44
  5. Step 5: Solve for x
    x = 1,223,233.44/1,562.18
  6. Step 6: Final answer
    x = 783.03

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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.