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Finding the Fourth Proportional to 1,049.65, 1,573.88 and 346.52

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Solution

The fourth proportional to 1,049.65, 1,573.88 and 346.52 is: 519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.65 : 1,573.88 = 346.52 : x
  2. Step 2: Convert to fraction form
    1,049.65/1,573.88 = 346.52/x
  3. Step 3: Cross multiply
    1,049.65x = 1,573.88 × 346.52
  4. Step 4: Simplify right side
    1,049.65x = 545,383.10
  5. Step 5: Solve for x
    x = 545,383.10/1,049.65
  6. Step 6: Final answer
    x = 519.59

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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.