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Finding the Fourth Proportional to 568.62, 853.76 and 497.34

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Solution

The fourth proportional to 568.62, 853.76 and 497.34 is: 746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.62 : 853.76 = 497.34 : x
  2. Step 2: Convert to fraction form
    568.62/853.76 = 497.34/x
  3. Step 3: Cross multiply
    568.62x = 853.76 × 497.34
  4. Step 4: Simplify right side
    568.62x = 424,602.24
  5. Step 5: Solve for x
    x = 424,602.24/568.62
  6. Step 6: Final answer
    x = 746.73

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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.