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Finding the Fourth Proportional to 560.95, 840.75 and 268.54

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Solution

The fourth proportional to 560.95, 840.75 and 268.54 is: 402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.95 : 840.75 = 268.54 : x
  2. Step 2: Convert to fraction form
    560.95/840.75 = 268.54/x
  3. Step 3: Cross multiply
    560.95x = 840.75 × 268.54
  4. Step 4: Simplify right side
    560.95x = 225,775.01
  5. Step 5: Solve for x
    x = 225,775.01/560.95
  6. Step 6: Final answer
    x = 402.49

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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.