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Finding the Fourth Proportional to 560.24, 773.45 and 435.63

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Solution

The fourth proportional to 560.24, 773.45 and 435.63 is: 601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.24 : 773.45 = 435.63 : x
  2. Step 2: Convert to fraction form
    560.24/773.45 = 435.63/x
  3. Step 3: Cross multiply
    560.24x = 773.45 × 435.63
  4. Step 4: Simplify right side
    560.24x = 336,936.03
  5. Step 5: Solve for x
    x = 336,936.03/560.24
  6. Step 6: Final answer
    x = 601.41

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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.