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Finding the Fourth Proportional to 602.76, 900.32 and 480.66

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Solution

The fourth proportional to 602.76, 900.32 and 480.66 is: 717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.76 : 900.32 = 480.66 : x
  2. Step 2: Convert to fraction form
    602.76/900.32 = 480.66/x
  3. Step 3: Cross multiply
    602.76x = 900.32 × 480.66
  4. Step 4: Simplify right side
    602.76x = 432,747.81
  5. Step 5: Solve for x
    x = 432,747.81/602.76
  6. Step 6: Final answer
    x = 717.94

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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.