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Finding the Fourth Proportional to 560.03, 838.91 and 267.12

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Solution

The fourth proportional to 560.03, 838.91 and 267.12 is: 400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.03 : 838.91 = 267.12 : x
  2. Step 2: Convert to fraction form
    560.03/838.91 = 267.12/x
  3. Step 3: Cross multiply
    560.03x = 838.91 × 267.12
  4. Step 4: Simplify right side
    560.03x = 224,090.31
  5. Step 5: Solve for x
    x = 224,090.31/560.03
  6. Step 6: Final answer
    x = 400.14

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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.