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Finding the Fourth Proportional to 504.72, 761.49 and 503.37

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Solution

The fourth proportional to 504.72, 761.49 and 503.37 is: 759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.72 : 761.49 = 503.37 : x
  2. Step 2: Convert to fraction form
    504.72/761.49 = 503.37/x
  3. Step 3: Cross multiply
    504.72x = 761.49 × 503.37
  4. Step 4: Simplify right side
    504.72x = 383,311.22
  5. Step 5: Solve for x
    x = 383,311.22/504.72
  6. Step 6: Final answer
    x = 759.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.