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Finding the Fourth Proportional to 550.04, 824.60 and 290.16

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Solution

The fourth proportional to 550.04, 824.60 and 290.16 is: 435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.04 : 824.60 = 290.16 : x
  2. Step 2: Convert to fraction form
    550.04/824.60 = 290.16/x
  3. Step 3: Cross multiply
    550.04x = 824.60 × 290.16
  4. Step 4: Simplify right side
    550.04x = 239,265.94
  5. Step 5: Solve for x
    x = 239,265.94/550.04
  6. Step 6: Final answer
    x = 435.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.