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Finding the Fourth Proportional to 366.03, 504.74 and 313.76

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Solution

The fourth proportional to 366.03, 504.74 and 313.76 is: 432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.03 : 504.74 = 313.76 : x
  2. Step 2: Convert to fraction form
    366.03/504.74 = 313.76/x
  3. Step 3: Cross multiply
    366.03x = 504.74 × 313.76
  4. Step 4: Simplify right side
    366.03x = 158,365.48
  5. Step 5: Solve for x
    x = 158,365.48/366.03
  6. Step 6: Final answer
    x = 432.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.