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Finding the Fourth Proportional to 504.76, 752 and 487.36

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Solution

The fourth proportional to 504.76, 752 and 487.36 is: 726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.76 : 752 = 487.36 : x
  2. Step 2: Convert to fraction form
    504.76/752 = 487.36/x
  3. Step 3: Cross multiply
    504.76x = 752 × 487.36
  4. Step 4: Simplify right side
    504.76x = 366,494.72
  5. Step 5: Solve for x
    x = 366,494.72/504.76
  6. Step 6: Final answer
    x = 726.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.