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Finding the Fourth Proportional to 1,133.99, 1,701.23 and 517.52

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Solution

The fourth proportional to 1,133.99, 1,701.23 and 517.52 is: 776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.99 : 1,701.23 = 517.52 : x
  2. Step 2: Convert to fraction form
    1,133.99/1,701.23 = 517.52/x
  3. Step 3: Cross multiply
    1,133.99x = 1,701.23 × 517.52
  4. Step 4: Simplify right side
    1,133.99x = 880,420.55
  5. Step 5: Solve for x
    x = 880,420.55/1,133.99
  6. Step 6: Final answer
    x = 776.39

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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.