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Finding the Fourth Proportional to 450.77, 624.97 and 435.58

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Solution

The fourth proportional to 450.77, 624.97 and 435.58 is: 603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.77 : 624.97 = 435.58 : x
  2. Step 2: Convert to fraction form
    450.77/624.97 = 435.58/x
  3. Step 3: Cross multiply
    450.77x = 624.97 × 435.58
  4. Step 4: Simplify right side
    450.77x = 272,220.96
  5. Step 5: Solve for x
    x = 272,220.96/450.77
  6. Step 6: Final answer
    x = 603.91

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.