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Finding the Fourth Proportional to 619.19, 924.01 and 550.17

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Solution

The fourth proportional to 619.19, 924.01 and 550.17 is: 821.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    619.19 : 924.01 = 550.17 : x
  2. Step 2: Convert to fraction form
    619.19/924.01 = 550.17/x
  3. Step 3: Cross multiply
    619.19x = 924.01 × 550.17
  4. Step 4: Simplify right side
    619.19x = 508,358.61
  5. Step 5: Solve for x
    x = 508,358.61/619.19
  6. Step 6: Final answer
    x = 821.00

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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.