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Finding the Fourth Proportional to 482.37, 719.49 and 404.43

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Solution

The fourth proportional to 482.37, 719.49 and 404.43 is: 603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.37 : 719.49 = 404.43 : x
  2. Step 2: Convert to fraction form
    482.37/719.49 = 404.43/x
  3. Step 3: Cross multiply
    482.37x = 719.49 × 404.43
  4. Step 4: Simplify right side
    482.37x = 290,983.34
  5. Step 5: Solve for x
    x = 290,983.34/482.37
  6. Step 6: Final answer
    x = 603.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.