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Finding the Fourth Proportional to 560.13, 838.83 and 483.59

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Solution

The fourth proportional to 560.13, 838.83 and 483.59 is: 724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.13 : 838.83 = 483.59 : x
  2. Step 2: Convert to fraction form
    560.13/838.83 = 483.59/x
  3. Step 3: Cross multiply
    560.13x = 838.83 × 483.59
  4. Step 4: Simplify right side
    560.13x = 405,646.27
  5. Step 5: Solve for x
    x = 405,646.27/560.13
  6. Step 6: Final answer
    x = 724.20

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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.