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Finding the Fourth Proportional to 560.17, 773.02 and 339.07

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Solution

The fourth proportional to 560.17, 773.02 and 339.07 is: 467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.17 : 773.02 = 339.07 : x
  2. Step 2: Convert to fraction form
    560.17/773.02 = 339.07/x
  3. Step 3: Cross multiply
    560.17x = 773.02 × 339.07
  4. Step 4: Simplify right side
    560.17x = 262,107.89
  5. Step 5: Solve for x
    x = 262,107.89/560.17
  6. Step 6: Final answer
    x = 467.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.