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Finding the Fourth Proportional to 595.20, 897.60 and 559.20

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Solution

The fourth proportional to 595.20, 897.60 and 559.20 is: 843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.20 : 897.60 = 559.20 : x
  2. Step 2: Convert to fraction form
    595.20/897.60 = 559.20/x
  3. Step 3: Cross multiply
    595.20x = 897.60 × 559.20
  4. Step 4: Simplify right side
    595.20x = 501,937.92
  5. Step 5: Solve for x
    x = 501,937.92/595.20
  6. Step 6: Final answer
    x = 843.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.