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Finding the Fourth Proportional to 1,024.75, 1,537.35 and 375.47

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Solution

The fourth proportional to 1,024.75, 1,537.35 and 375.47 is: 563.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.75 : 1,537.35 = 375.47 : x
  2. Step 2: Convert to fraction form
    1,024.75/1,537.35 = 375.47/x
  3. Step 3: Cross multiply
    1,024.75x = 1,537.35 × 375.47
  4. Step 4: Simplify right side
    1,024.75x = 577,225.47
  5. Step 5: Solve for x
    x = 577,225.47/1,024.75
  6. Step 6: Final answer
    x = 563.28

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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.