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Finding the Fourth Proportional to 1,155.38, 1,733.01 and 333.63

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Solution

The fourth proportional to 1,155.38, 1,733.01 and 333.63 is: 500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.38 : 1,733.01 = 333.63 : x
  2. Step 2: Convert to fraction form
    1,155.38/1,733.01 = 333.63/x
  3. Step 3: Cross multiply
    1,155.38x = 1,733.01 × 333.63
  4. Step 4: Simplify right side
    1,155.38x = 578,184.13
  5. Step 5: Solve for x
    x = 578,184.13/1,155.38
  6. Step 6: Final answer
    x = 500.43

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1.5x scale

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.