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Finding the Fourth Proportional to 584.40, 805.50 and 444.36

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Solution

The fourth proportional to 584.40, 805.50 and 444.36 is: 612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.40 : 805.50 = 444.36 : x
  2. Step 2: Convert to fraction form
    584.40/805.50 = 444.36/x
  3. Step 3: Cross multiply
    584.40x = 805.50 × 444.36
  4. Step 4: Simplify right side
    584.40x = 357,931.98
  5. Step 5: Solve for x
    x = 357,931.98/584.40
  6. Step 6: Final answer
    x = 612.48

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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.