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Finding the Fourth Proportional to 1,573.20, 2,360.07 and 533.31

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Solution

The fourth proportional to 1,573.20, 2,360.07 and 533.31 is: 800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.20 : 2,360.07 = 533.31 : x
  2. Step 2: Convert to fraction form
    1,573.20/2,360.07 = 533.31/x
  3. Step 3: Cross multiply
    1,573.20x = 2,360.07 × 533.31
  4. Step 4: Simplify right side
    1,573.20x = 1,258,648.93
  5. Step 5: Solve for x
    x = 1,258,648.93/1,573.20
  6. Step 6: Final answer
    x = 800.06

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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.