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Finding the Fourth Proportional to 1,100.57, 1,651.10 and 370.13

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Solution

The fourth proportional to 1,100.57, 1,651.10 and 370.13 is: 555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100.57 : 1,651.10 = 370.13 : x
  2. Step 2: Convert to fraction form
    1,100.57/1,651.10 = 370.13/x
  3. Step 3: Cross multiply
    1,100.57x = 1,651.10 × 370.13
  4. Step 4: Simplify right side
    1,100.57x = 611,113.62
  5. Step 5: Solve for x
    x = 611,113.62/1,100.57
  6. Step 6: Final answer
    x = 555.27

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Double scale
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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.