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Finding the Fourth Proportional to 582.92, 874.76 and 309.16

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Solution

The fourth proportional to 582.92, 874.76 and 309.16 is: 463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.92 : 874.76 = 309.16 : x
  2. Step 2: Convert to fraction form
    582.92/874.76 = 309.16/x
  3. Step 3: Cross multiply
    582.92x = 874.76 × 309.16
  4. Step 4: Simplify right side
    582.92x = 270,440.80
  5. Step 5: Solve for x
    x = 270,440.80/582.92
  6. Step 6: Final answer
    x = 463.94

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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.