Home / 1,156.50-1,734.49-334.59

Finding the Fourth Proportional to 1,156.50, 1,734.49 and 334.59

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Solution

The fourth proportional to 1,156.50, 1,734.49 and 334.59 is: 501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.50 : 1,734.49 = 334.59 : x
  2. Step 2: Convert to fraction form
    1,156.50/1,734.49 = 334.59/x
  3. Step 3: Cross multiply
    1,156.50x = 1,734.49 × 334.59
  4. Step 4: Simplify right side
    1,156.50x = 580,341.34
  5. Step 5: Solve for x
    x = 580,341.34/1,156.50
  6. Step 6: Final answer
    x = 501.81

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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.