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Finding the Fourth Proportional to 591.58, 816.24 and 444.57

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Solution

The fourth proportional to 591.58, 816.24 and 444.57 is: 613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.58 : 816.24 = 444.57 : x
  2. Step 2: Convert to fraction form
    591.58/816.24 = 444.57/x
  3. Step 3: Cross multiply
    591.58x = 816.24 × 444.57
  4. Step 4: Simplify right side
    591.58x = 362,875.82
  5. Step 5: Solve for x
    x = 362,875.82/591.58
  6. Step 6: Final answer
    x = 613.40

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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.