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Finding the Fourth Proportional to 1,156.07, 1,734.37 and 334.41

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Solution

The fourth proportional to 1,156.07, 1,734.37 and 334.41 is: 501.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.07 : 1,734.37 = 334.41 : x
  2. Step 2: Convert to fraction form
    1,156.07/1,734.37 = 334.41/x
  3. Step 3: Cross multiply
    1,156.07x = 1,734.37 × 334.41
  4. Step 4: Simplify right side
    1,156.07x = 579,987.08
  5. Step 5: Solve for x
    x = 579,987.08/1,156.07
  6. Step 6: Final answer
    x = 501.69

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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.