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Finding the Fourth Proportional to 1,061.52, 1,592.37 and 281.52

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Solution

The fourth proportional to 1,061.52, 1,592.37 and 281.52 is: 422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061.52 : 1,592.37 = 281.52 : x
  2. Step 2: Convert to fraction form
    1,061.52/1,592.37 = 281.52/x
  3. Step 3: Cross multiply
    1,061.52x = 1,592.37 × 281.52
  4. Step 4: Simplify right side
    1,061.52x = 448,284.00
  5. Step 5: Solve for x
    x = 448,284.00/1,061.52
  6. Step 6: Final answer
    x = 422.30

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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.