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Finding the Fourth Proportional to 560.99, 770.56 and 544.59

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Solution

The fourth proportional to 560.99, 770.56 and 544.59 is: 748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.99 : 770.56 = 544.59 : x
  2. Step 2: Convert to fraction form
    560.99/770.56 = 544.59/x
  3. Step 3: Cross multiply
    560.99x = 770.56 × 544.59
  4. Step 4: Simplify right side
    560.99x = 419,637.91
  5. Step 5: Solve for x
    x = 419,637.91/560.99
  6. Step 6: Final answer
    x = 748.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.