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Finding the Fourth Proportional to 584.47, 874.62 and 469.66

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Solution

The fourth proportional to 584.47, 874.62 and 469.66 is: 702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.47 : 874.62 = 469.66 : x
  2. Step 2: Convert to fraction form
    584.47/874.62 = 469.66/x
  3. Step 3: Cross multiply
    584.47x = 874.62 × 469.66
  4. Step 4: Simplify right side
    584.47x = 410,774.03
  5. Step 5: Solve for x
    x = 410,774.03/584.47
  6. Step 6: Final answer
    x = 702.81

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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.