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Finding the Fourth Proportional to 584.28, 877.66 and 497.80

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Solution

The fourth proportional to 584.28, 877.66 and 497.80 is: 747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.28 : 877.66 = 497.80 : x
  2. Step 2: Convert to fraction form
    584.28/877.66 = 497.80/x
  3. Step 3: Cross multiply
    584.28x = 877.66 × 497.80
  4. Step 4: Simplify right side
    584.28x = 436,899.15
  5. Step 5: Solve for x
    x = 436,899.15/584.28
  6. Step 6: Final answer
    x = 747.76

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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.