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Finding the Fourth Proportional to 1,575.57, 2,362.27 and 535.08

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Solution

The fourth proportional to 1,575.57, 2,362.27 and 535.08 is: 802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.57 : 2,362.27 = 535.08 : x
  2. Step 2: Convert to fraction form
    1,575.57/2,362.27 = 535.08/x
  3. Step 3: Cross multiply
    1,575.57x = 2,362.27 × 535.08
  4. Step 4: Simplify right side
    1,575.57x = 1,264,003.43
  5. Step 5: Solve for x
    x = 1,264,003.43/1,575.57
  6. Step 6: Final answer
    x = 802.25

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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.