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Finding the Fourth Proportional to 595.89, 822.11 and 455.87

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Solution

The fourth proportional to 595.89, 822.11 and 455.87 is: 628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.89 : 822.11 = 455.87 : x
  2. Step 2: Convert to fraction form
    595.89/822.11 = 455.87/x
  3. Step 3: Cross multiply
    595.89x = 822.11 × 455.87
  4. Step 4: Simplify right side
    595.89x = 374,775.29
  5. Step 5: Solve for x
    x = 374,775.29/595.89
  6. Step 6: Final answer
    x = 628.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.