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Finding the Fourth Proportional to 1,184.26, 1,776.38 and 362.50

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Solution

The fourth proportional to 1,184.26, 1,776.38 and 362.50 is: 543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.26 : 1,776.38 = 362.50 : x
  2. Step 2: Convert to fraction form
    1,184.26/1,776.38 = 362.50/x
  3. Step 3: Cross multiply
    1,184.26x = 1,776.38 × 362.50
  4. Step 4: Simplify right side
    1,184.26x = 643,937.75
  5. Step 5: Solve for x
    x = 643,937.75/1,184.26
  6. Step 6: Final answer
    x = 543.75

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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.