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Finding the Fourth Proportional to 582.41, 803.48 and 349.53

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Solution

The fourth proportional to 582.41, 803.48 and 349.53 is: 482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.41 : 803.48 = 349.53 : x
  2. Step 2: Convert to fraction form
    582.41/803.48 = 349.53/x
  3. Step 3: Cross multiply
    582.41x = 803.48 × 349.53
  4. Step 4: Simplify right side
    582.41x = 280,838.62
  5. Step 5: Solve for x
    x = 280,838.62/582.41
  6. Step 6: Final answer
    x = 482.21

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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.