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Finding the Fourth Proportional to 544.41, 750.70 and 404.79

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Solution

The fourth proportional to 544.41, 750.70 and 404.79 is: 558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.41 : 750.70 = 404.79 : x
  2. Step 2: Convert to fraction form
    544.41/750.70 = 404.79/x
  3. Step 3: Cross multiply
    544.41x = 750.70 × 404.79
  4. Step 4: Simplify right side
    544.41x = 303,875.85
  5. Step 5: Solve for x
    x = 303,875.85/544.41
  6. Step 6: Final answer
    x = 558.17

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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.