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Finding the Fourth Proportional to 595.98, 893.03 and 515.79

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Solution

The fourth proportional to 595.98, 893.03 and 515.79 is: 772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.98 : 893.03 = 515.79 : x
  2. Step 2: Convert to fraction form
    595.98/893.03 = 515.79/x
  3. Step 3: Cross multiply
    595.98x = 893.03 × 515.79
  4. Step 4: Simplify right side
    595.98x = 460,613.36
  5. Step 5: Solve for x
    x = 460,613.36/595.98
  6. Step 6: Final answer
    x = 772.87

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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.