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Finding the Fourth Proportional to 595.72, 817.71 and 528.76

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Solution

The fourth proportional to 595.72, 817.71 and 528.76 is: 725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.72 : 817.71 = 528.76 : x
  2. Step 2: Convert to fraction form
    595.72/817.71 = 528.76/x
  3. Step 3: Cross multiply
    595.72x = 817.71 × 528.76
  4. Step 4: Simplify right side
    595.72x = 432,372.34
  5. Step 5: Solve for x
    x = 432,372.34/595.72
  6. Step 6: Final answer
    x = 725.80

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.