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Finding the Fourth Proportional to 676.23, 933.18 and 410.72

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Solution

The fourth proportional to 676.23, 933.18 and 410.72 is: 566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.23 : 933.18 = 410.72 : x
  2. Step 2: Convert to fraction form
    676.23/933.18 = 410.72/x
  3. Step 3: Cross multiply
    676.23x = 933.18 × 410.72
  4. Step 4: Simplify right side
    676.23x = 383,271.02
  5. Step 5: Solve for x
    x = 383,271.02/676.23
  6. Step 6: Final answer
    x = 566.78

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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.