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Finding the Fourth Proportional to 1,575.66, 2,363.16 and 535.44

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Solution

The fourth proportional to 1,575.66, 2,363.16 and 535.44 is: 803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.66 : 2,363.16 = 535.44 : x
  2. Step 2: Convert to fraction form
    1,575.66/2,363.16 = 535.44/x
  3. Step 3: Cross multiply
    1,575.66x = 2,363.16 × 535.44
  4. Step 4: Simplify right side
    1,575.66x = 1,265,330.39
  5. Step 5: Solve for x
    x = 1,265,330.39/1,575.66
  6. Step 6: Final answer
    x = 803.05

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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.