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Finding the Fourth Proportional to 595.90, 894.05 and 287.79

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Solution

The fourth proportional to 595.90, 894.05 and 287.79 is: 431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.90 : 894.05 = 287.79 : x
  2. Step 2: Convert to fraction form
    595.90/894.05 = 287.79/x
  3. Step 3: Cross multiply
    595.90x = 894.05 × 287.79
  4. Step 4: Simplify right side
    595.90x = 257,300.37
  5. Step 5: Solve for x
    x = 257,300.37/595.90
  6. Step 6: Final answer
    x = 431.78

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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.