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Finding the Fourth Proportional to 522.97, 783.08 and 368.05

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Solution

The fourth proportional to 522.97, 783.08 and 368.05 is: 551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.97 : 783.08 = 368.05 : x
  2. Step 2: Convert to fraction form
    522.97/783.08 = 368.05/x
  3. Step 3: Cross multiply
    522.97x = 783.08 × 368.05
  4. Step 4: Simplify right side
    522.97x = 288,212.59
  5. Step 5: Solve for x
    x = 288,212.59/522.97
  6. Step 6: Final answer
    x = 551.11

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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.