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Finding the Fourth Proportional to 501.77, 753.19 and 371.36

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Solution

The fourth proportional to 501.77, 753.19 and 371.36 is: 557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.77 : 753.19 = 371.36 : x
  2. Step 2: Convert to fraction form
    501.77/753.19 = 371.36/x
  3. Step 3: Cross multiply
    501.77x = 753.19 × 371.36
  4. Step 4: Simplify right side
    501.77x = 279,699.94
  5. Step 5: Solve for x
    x = 279,699.94/501.77
  6. Step 6: Final answer
    x = 557.43

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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.