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Finding the Fourth Proportional to 1,133.88, 1,700.84 and 364.38

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Solution

The fourth proportional to 1,133.88, 1,700.84 and 364.38 is: 546.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.88 : 1,700.84 = 364.38 : x
  2. Step 2: Convert to fraction form
    1,133.88/1,700.84 = 364.38/x
  3. Step 3: Cross multiply
    1,133.88x = 1,700.84 × 364.38
  4. Step 4: Simplify right side
    1,133.88x = 619,752.08
  5. Step 5: Solve for x
    x = 619,752.08/1,133.88
  6. Step 6: Final answer
    x = 546.58

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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.