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Finding the Fourth Proportional to 560.37, 845.61 and 540.03

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Solution

The fourth proportional to 560.37, 845.61 and 540.03 is: 814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.37 : 845.61 = 540.03 : x
  2. Step 2: Convert to fraction form
    560.37/845.61 = 540.03/x
  3. Step 3: Cross multiply
    560.37x = 845.61 × 540.03
  4. Step 4: Simplify right side
    560.37x = 456,654.77
  5. Step 5: Solve for x
    x = 456,654.77/560.37
  6. Step 6: Final answer
    x = 814.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.