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Finding the Fourth Proportional to 1,115.01, 1,673.53 and 567.57

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Solution

The fourth proportional to 1,115.01, 1,673.53 and 567.57 is: 851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115.01 : 1,673.53 = 567.57 : x
  2. Step 2: Convert to fraction form
    1,115.01/1,673.53 = 567.57/x
  3. Step 3: Cross multiply
    1,115.01x = 1,673.53 × 567.57
  4. Step 4: Simplify right side
    1,115.01x = 949,837.05
  5. Step 5: Solve for x
    x = 949,837.05/1,115.01
  6. Step 6: Final answer
    x = 851.87

Related Problems

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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.