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Finding the Fourth Proportional to 582.06, 803.34 and 349.23

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Solution

The fourth proportional to 582.06, 803.34 and 349.23 is: 482.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.06 : 803.34 = 349.23 : x
  2. Step 2: Convert to fraction form
    582.06/803.34 = 349.23/x
  3. Step 3: Cross multiply
    582.06x = 803.34 × 349.23
  4. Step 4: Simplify right side
    582.06x = 280,550.43
  5. Step 5: Solve for x
    x = 280,550.43/582.06
  6. Step 6: Final answer
    x = 482.00

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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.