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Finding the Fourth Proportional to 560.98, 838.99 and 483.22

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Solution

The fourth proportional to 560.98, 838.99 and 483.22 is: 722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.98 : 838.99 = 483.22 : x
  2. Step 2: Convert to fraction form
    560.98/838.99 = 483.22/x
  3. Step 3: Cross multiply
    560.98x = 838.99 × 483.22
  4. Step 4: Simplify right side
    560.98x = 405,416.75
  5. Step 5: Solve for x
    x = 405,416.75/560.98
  6. Step 6: Final answer
    x = 722.69

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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.