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Finding the Fourth Proportional to 1,052.90, 1,453.01 and 580.81

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Solution

The fourth proportional to 1,052.90, 1,453.01 and 580.81 is: 801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.90 : 1,453.01 = 580.81 : x
  2. Step 2: Convert to fraction form
    1,052.90/1,453.01 = 580.81/x
  3. Step 3: Cross multiply
    1,052.90x = 1,453.01 × 580.81
  4. Step 4: Simplify right side
    1,052.90x = 843,915.47
  5. Step 5: Solve for x
    x = 843,915.47/1,052.90
  6. Step 6: Final answer
    x = 801.52

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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.