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Finding the Fourth Proportional to 595.90, 892.45 and 457.89

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Solution

The fourth proportional to 595.90, 892.45 and 457.89 is: 685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.90 : 892.45 = 457.89 : x
  2. Step 2: Convert to fraction form
    595.90/892.45 = 457.89/x
  3. Step 3: Cross multiply
    595.90x = 892.45 × 457.89
  4. Step 4: Simplify right side
    595.90x = 408,643.93
  5. Step 5: Solve for x
    x = 408,643.93/595.90
  6. Step 6: Final answer
    x = 685.76

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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.