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Finding the Fourth Proportional to 1,052.93, 1,579.80 and 532.91

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Solution

The fourth proportional to 1,052.93, 1,579.80 and 532.91 is: 799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.93 : 1,579.80 = 532.91 : x
  2. Step 2: Convert to fraction form
    1,052.93/1,579.80 = 532.91/x
  3. Step 3: Cross multiply
    1,052.93x = 1,579.80 × 532.91
  4. Step 4: Simplify right side
    1,052.93x = 841,891.22
  5. Step 5: Solve for x
    x = 841,891.22/1,052.93
  6. Step 6: Final answer
    x = 799.57

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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.