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Finding the Fourth Proportional to 1,097.88, 1,515.02 and 600.53

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Solution

The fourth proportional to 1,097.88, 1,515.02 and 600.53 is: 828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.88 : 1,515.02 = 600.53 : x
  2. Step 2: Convert to fraction form
    1,097.88/1,515.02 = 600.53/x
  3. Step 3: Cross multiply
    1,097.88x = 1,515.02 × 600.53
  4. Step 4: Simplify right side
    1,097.88x = 909,814.96
  5. Step 5: Solve for x
    x = 909,814.96/1,097.88
  6. Step 6: Final answer
    x = 828.70

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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.